32120120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 74844000

約数和(自身を除く): 42723880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 139, 212, 218, 265, 278, 424, 436, 530, 545, 556, 695, 872, 1060, 1090, 1112, 1390, 2120, 2180, 2780, 4360, 5560, 5777, 7367, 11554, 14734, 15151, 23108, 28885, 29468, 30302, 36835, 46216, 57770, 58936, 60604, 73670, 75755, 115540, 121208, 147340, 151510, 231080, 294680, 303020, 606040, 803003, 1606006, 3212012, 4015015, 6424024, 8030030, 16060060, 32120120]

約数ペア:

[(1, 32120120), (2, 16060060), (4, 8030030), (5, 6424024), (8, 4015015), (10, 3212012), (20, 1606006), (40, 803003), (53, 606040), (106, 303020), (109, 294680), (139, 231080), (212, 151510), (218, 147340), (265, 121208), (278, 115540), (424, 75755), (436, 73670), (530, 60604), (545, 58936), (556, 57770), (695, 46216), (872, 36835), (1060, 30302), (1090, 29468), (1112, 28885), (1390, 23108), (2120, 15151), (2180, 14734), (2780, 11554), (4360, 7367), (5560, 5777)]