5181280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 13716864

約数和(自身を除く): 8535584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 47, 52, 53, 65, 80, 94, 104, 106, 130, 160, 188, 208, 212, 235, 260, 265, 376, 416, 424, 470, 520, 530, 611, 689, 752, 848, 940, 1040, 1060, 1222, 1378, 1504, 1696, 1880, 2080, 2120, 2444, 2491, 2756, 3055, 3445, 3760, 4240, 4888, 4982, 5512, 6110, 6890, 7520, 8480, 9776, 9964, 11024, 12220, 12455, 13780, 19552, 19928, 22048, 24440, 24910, 27560, 32383, 39856, 48880, 49820, 55120, 64766, 79712, 97760, 99640, 110240, 129532, 161915, 199280, 259064, 323830, 398560, 518128, 647660, 1036256, 1295320, 2590640, 5181280]

約数ペア:

[(1, 5181280), (2, 2590640), (4, 1295320), (5, 1036256), (8, 647660), (10, 518128), (13, 398560), (16, 323830), (20, 259064), (26, 199280), (32, 161915), (40, 129532), (47, 110240), (52, 99640), (53, 97760), (65, 79712), (80, 64766), (94, 55120), (104, 49820), (106, 48880), (130, 39856), (160, 32383), (188, 27560), (208, 24910), (212, 24440), (235, 22048), (260, 19928), (265, 19552), (376, 13780), (416, 12455), (424, 12220), (470, 11024), (520, 9964), (530, 9776), (611, 8480), (689, 7520), (752, 6890), (848, 6110), (940, 5512), (1040, 4982), (1060, 4888), (1222, 4240), (1378, 3760), (1504, 3445), (1696, 3055), (1880, 2756), (2080, 2491), (2120, 2444)]