53538680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 130788000

約数和(自身を除く): 77249320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 691, 745, 1192, 1382, 1490, 1937, 2764, 2980, 3455, 3874, 5528, 5960, 6910, 7748, 8983, 9685, 13820, 15496, 17966, 19370, 27640, 35932, 38740, 44915, 71864, 77480, 89830, 102959, 179660, 205918, 359320, 411836, 514795, 823672, 1029590, 1338467, 2059180, 2676934, 4118360, 5353868, 6692335, 10707736, 13384670, 26769340, 53538680]

約数ペア:

[(1, 53538680), (2, 26769340), (4, 13384670), (5, 10707736), (8, 6692335), (10, 5353868), (13, 4118360), (20, 2676934), (26, 2059180), (40, 1338467), (52, 1029590), (65, 823672), (104, 514795), (130, 411836), (149, 359320), (260, 205918), (298, 179660), (520, 102959), (596, 89830), (691, 77480), (745, 71864), (1192, 44915), (1382, 38740), (1490, 35932), (1937, 27640), (2764, 19370), (2980, 17966), (3455, 15496), (3874, 13820), (5528, 9685), (5960, 8983), (6910, 7748)]