39903760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 160

約数和(自身を含む): 110430432

約数和(自身を除く): 70526672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 37, 40, 52, 61, 65, 68, 74, 80, 85, 104, 122, 130, 136, 148, 170, 185, 208, 221, 244, 260, 272, 296, 305, 340, 370, 442, 481, 488, 520, 592, 610, 629, 680, 740, 793, 884, 962, 976, 1037, 1040, 1105, 1220, 1258, 1360, 1480, 1586, 1768, 1924, 2074, 2210, 2257, 2405, 2440, 2516, 2960, 3145, 3172, 3536, 3848, 3965, 4148, 4420, 4514, 4810, 4880, 5032, 5185, 6290, 6344, 7696, 7930, 8177, 8296, 8840, 9028, 9620, 10064, 10370, 11285, 12580, 12688, 13481, 15860, 16354, 16592, 17680, 18056, 19240, 20740, 22570, 25160, 26962, 29341, 31720, 32708, 36112, 38369, 38480, 40885, 41480, 45140, 50320, 53924, 58682, 63440, 65416, 67405, 76738, 81770, 82960, 90280, 107848, 117364, 130832, 134810, 146705, 153476, 163540, 180560, 191845, 215696, 234728, 269620, 293410, 306952, 327080, 383690, 469456, 498797, 539240, 586820, 613904, 654160, 767380, 997594, 1078480, 1173640, 1534760, 1995188, 2347280, 2493985, 3069520, 3990376, 4987970, 7980752, 9975940, 19951880, 39903760]

約数ペア:

[(1, 39903760), (2, 19951880), (4, 9975940), (5, 7980752), (8, 4987970), (10, 3990376), (13, 3069520), (16, 2493985), (17, 2347280), (20, 1995188), (26, 1534760), (34, 1173640), (37, 1078480), (40, 997594), (52, 767380), (61, 654160), (65, 613904), (68, 586820), (74, 539240), (80, 498797), (85, 469456), (104, 383690), (122, 327080), (130, 306952), (136, 293410), (148, 269620), (170, 234728), (185, 215696), (208, 191845), (221, 180560), (244, 163540), (260, 153476), (272, 146705), (296, 134810), (305, 130832), (340, 117364), (370, 107848), (442, 90280), (481, 82960), (488, 81770), (520, 76738), (592, 67405), (610, 65416), (629, 63440), (680, 58682), (740, 53924), (793, 50320), (884, 45140), (962, 41480), (976, 40885), (1037, 38480), (1040, 38369), (1105, 36112), (1220, 32708), (1258, 31720), (1360, 29341), (1480, 26962), (1586, 25160), (1768, 22570), (1924, 20740), (2074, 19240), (2210, 18056), (2257, 17680), (2405, 16592), (2440, 16354), (2516, 15860), (2960, 13481), (3145, 12688), (3172, 12580), (3536, 11285), (3848, 10370), (3965, 10064), (4148, 9620), (4420, 9028), (4514, 8840), (4810, 8296), (4880, 8177), (5032, 7930), (5185, 7696), (6290, 6344)]