64296920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14747}}^1$

素因数の和:14867

約数の個数: 32

約数和(自身を含む): 146005200

約数和(自身を除く): 81708280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 14747, 29494, 58988, 73735, 117976, 147470, 294940, 589880, 1607423, 3214846, 6429692, 8037115, 12859384, 16074230, 32148460, 64296920]

約数ペア:

[(1, 64296920), (2, 32148460), (4, 16074230), (5, 12859384), (8, 8037115), (10, 6429692), (20, 3214846), (40, 1607423), (109, 589880), (218, 294940), (436, 147470), (545, 117976), (872, 73735), (1090, 58988), (2180, 29494), (4360, 14747)]