66439160

素因数分解:

$2^3\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{1487}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 149722560

約数和(自身を除く): 83283400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1117, 1487, 2234, 2974, 4468, 5585, 5948, 7435, 8936, 11170, 11896, 14870, 22340, 29740, 44680, 59480, 1660979, 3321958, 6643916, 8304895, 13287832, 16609790, 33219580, 66439160]

約数ペア:

[(1, 66439160), (2, 33219580), (4, 16609790), (5, 13287832), (8, 8304895), (10, 6643916), (20, 3321958), (40, 1660979), (1117, 59480), (1487, 44680), (2234, 29740), (2974, 22340), (4468, 14870), (5585, 11896), (5948, 11170), (7435, 8936)]