39865280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:111

約数の個数: 168

約数和(自身を含む): 120079008

約数和(自身を除く): 80213728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 64, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 160, 182, 185, 208, 224, 259, 260, 280, 296, 320, 364, 370, 416, 448, 455, 481, 518, 520, 560, 592, 728, 740, 832, 910, 962, 1036, 1040, 1120, 1184, 1295, 1369, 1456, 1480, 1820, 1924, 2072, 2080, 2240, 2368, 2405, 2590, 2738, 2912, 2960, 3367, 3640, 3848, 4144, 4160, 4810, 5180, 5476, 5824, 5920, 6734, 6845, 7280, 7696, 8288, 9583, 9620, 10360, 10952, 11840, 13468, 13690, 14560, 15392, 16576, 16835, 17797, 19166, 19240, 20720, 21904, 26936, 27380, 29120, 30784, 33670, 35594, 38332, 38480, 41440, 43808, 47915, 53872, 54760, 67340, 71188, 76664, 76960, 82880, 87616, 88985, 95830, 107744, 109520, 124579, 134680, 142376, 153328, 153920, 177970, 191660, 215488, 219040, 249158, 269360, 284752, 306656, 355940, 383320, 438080, 498316, 538720, 569504, 613312, 622895, 711880, 766640, 996632, 1077440, 1139008, 1245790, 1423760, 1533280, 1993264, 2491580, 2847520, 3066560, 3986528, 4983160, 5695040, 7973056, 9966320, 19932640, 39865280]

約数ペア:

[(1, 39865280), (2, 19932640), (4, 9966320), (5, 7973056), (7, 5695040), (8, 4983160), (10, 3986528), (13, 3066560), (14, 2847520), (16, 2491580), (20, 1993264), (26, 1533280), (28, 1423760), (32, 1245790), (35, 1139008), (37, 1077440), (40, 996632), (52, 766640), (56, 711880), (64, 622895), (65, 613312), (70, 569504), (74, 538720), (80, 498316), (91, 438080), (104, 383320), (112, 355940), (130, 306656), (140, 284752), (148, 269360), (160, 249158), (182, 219040), (185, 215488), (208, 191660), (224, 177970), (259, 153920), (260, 153328), (280, 142376), (296, 134680), (320, 124579), (364, 109520), (370, 107744), (416, 95830), (448, 88985), (455, 87616), (481, 82880), (518, 76960), (520, 76664), (560, 71188), (592, 67340), (728, 54760), (740, 53872), (832, 47915), (910, 43808), (962, 41440), (1036, 38480), (1040, 38332), (1120, 35594), (1184, 33670), (1295, 30784), (1369, 29120), (1456, 27380), (1480, 26936), (1820, 21904), (1924, 20720), (2072, 19240), (2080, 19166), (2240, 17797), (2368, 16835), (2405, 16576), (2590, 15392), (2738, 14560), (2912, 13690), (2960, 13468), (3367, 11840), (3640, 10952), (3848, 10360), (4144, 9620), (4160, 9583), (4810, 8288), (5180, 7696), (5476, 7280), (5824, 6845), (5920, 6734)]