131409680

素因数分解:

$2^4\times 5^1\times {\mathrm{877}}^1\times {\mathrm{1873}}^1$

素因数の和:2763

約数の個数: 40

約数和(自身を含む): 306039192

約数和(自身を除く): 174629512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 877, 1754, 1873, 3508, 3746, 4385, 7016, 7492, 8770, 9365, 14032, 14984, 17540, 18730, 29968, 35080, 37460, 70160, 74920, 149840, 1642621, 3285242, 6570484, 8213105, 13140968, 16426210, 26281936, 32852420, 65704840, 131409680]

約数ペア:

[(1, 131409680), (2, 65704840), (4, 32852420), (5, 26281936), (8, 16426210), (10, 13140968), (16, 8213105), (20, 6570484), (40, 3285242), (80, 1642621), (877, 149840), (1754, 74920), (1873, 70160), (3508, 37460), (3746, 35080), (4385, 29968), (7016, 18730), (7492, 17540), (8770, 14984), (9365, 14032)]