42426280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 104146560

約数和(自身を除く): 61720280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 983, 1079, 1660, 1966, 2158, 3320, 3932, 4316, 4915, 5395, 7864, 8632, 9830, 10790, 12779, 19660, 21580, 25558, 39320, 43160, 51116, 63895, 81589, 102232, 127790, 163178, 255580, 326356, 407945, 511160, 652712, 815890, 1060657, 1631780, 2121314, 3263560, 4242628, 5303285, 8485256, 10606570, 21213140, 42426280]

約数ペア:

[(1, 42426280), (2, 21213140), (4, 10606570), (5, 8485256), (8, 5303285), (10, 4242628), (13, 3263560), (20, 2121314), (26, 1631780), (40, 1060657), (52, 815890), (65, 652712), (83, 511160), (104, 407945), (130, 326356), (166, 255580), (260, 163178), (332, 127790), (415, 102232), (520, 81589), (664, 63895), (830, 51116), (983, 43160), (1079, 39320), (1660, 25558), (1966, 21580), (2158, 19660), (3320, 12779), (3932, 10790), (4316, 9830), (4915, 8632), (5395, 7864)]