67281560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12101}}^1$

素因数の和:12251

約数の個数: 32

約数和(自身を含む): 152485200

約数和(自身を除く): 85203640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12101, 24202, 48404, 60505, 96808, 121010, 242020, 484040, 1682039, 3364078, 6728156, 8410195, 13456312, 16820390, 33640780, 67281560]

約数ペア:

[(1, 67281560), (2, 33640780), (4, 16820390), (5, 13456312), (8, 8410195), (10, 6728156), (20, 3364078), (40, 1682039), (139, 484040), (278, 242020), (556, 121010), (695, 96808), (1112, 60505), (1390, 48404), (2780, 24202), (5560, 12101)]