2619654160

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{249967}}^1$

素因数の和:250111

約数の個数: 40

約数和(自身を含む): 6137214336

約数和(自身を除く): 3517560176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 249967, 499934, 999868, 1249835, 1999736, 2499670, 3999472, 4999340, 9998680, 19997360, 32745677, 65491354, 130982708, 163728385, 261965416, 327456770, 523930832, 654913540, 1309827080, 2619654160]

約数ペア:

[(1, 2619654160), (2, 1309827080), (4, 654913540), (5, 523930832), (8, 327456770), (10, 261965416), (16, 163728385), (20, 130982708), (40, 65491354), (80, 32745677), (131, 19997360), (262, 9998680), (524, 4999340), (655, 3999472), (1048, 2499670), (1310, 1999736), (2096, 1249835), (2620, 999868), (5240, 499934), (10480, 249967)]