82157156920

素因数分解:

$2^3\times 5^1\times {\mathrm{258779}}^1\times {\mathrm{7937}}^1$

素因数の和:266727

約数の個数: 32

約数和(自身を含む): 184877607600

約数和(自身を除く): 102720450680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7937, 15874, 31748, 39685, 63496, 79370, 158740, 258779, 317480, 517558, 1035116, 1293895, 2070232, 2587790, 5175580, 10351160, 2053928923, 4107857846, 8215715692, 10269644615, 16431431384, 20539289230, 41078578460, 82157156920]

約数ペア:

[(1, 82157156920), (2, 41078578460), (4, 20539289230), (5, 16431431384), (8, 10269644615), (10, 8215715692), (20, 4107857846), (40, 2053928923), (7937, 10351160), (15874, 5175580), (31748, 2587790), (39685, 2070232), (63496, 1293895), (79370, 1035116), (158740, 517558), (258779, 317480)]