65238160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 164833200

約数和(自身を除く): 99595040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 421, 520, 596, 745, 842, 1040, 1192, 1490, 1684, 1937, 2105, 2384, 2980, 3368, 3874, 4210, 5473, 5960, 6736, 7748, 8420, 9685, 10946, 11920, 15496, 16840, 19370, 21892, 27365, 30992, 33680, 38740, 43784, 54730, 62729, 77480, 87568, 109460, 125458, 154960, 218920, 250916, 313645, 437840, 501832, 627290, 815477, 1003664, 1254580, 1630954, 2509160, 3261908, 4077385, 5018320, 6523816, 8154770, 13047632, 16309540, 32619080, 65238160]

約数ペア:

[(1, 65238160), (2, 32619080), (4, 16309540), (5, 13047632), (8, 8154770), (10, 6523816), (13, 5018320), (16, 4077385), (20, 3261908), (26, 2509160), (40, 1630954), (52, 1254580), (65, 1003664), (80, 815477), (104, 627290), (130, 501832), (149, 437840), (208, 313645), (260, 250916), (298, 218920), (421, 154960), (520, 125458), (596, 109460), (745, 87568), (842, 77480), (1040, 62729), (1192, 54730), (1490, 43784), (1684, 38740), (1937, 33680), (2105, 30992), (2384, 27365), (2980, 21892), (3368, 19370), (3874, 16840), (4210, 15496), (5473, 11920), (5960, 10946), (6736, 9685), (7748, 8420)]