512726680

素因数分解:

$2^3\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{5987}}^1$

素因数の和:8139

約数の個数: 32

約数和(自身を含む): 1154366640

約数和(自身を除く): 641639960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2141, 4282, 5987, 8564, 10705, 11974, 17128, 21410, 23948, 29935, 42820, 47896, 59870, 85640, 119740, 239480, 12818167, 25636334, 51272668, 64090835, 102545336, 128181670, 256363340, 512726680]

約数ペア:

[(1, 512726680), (2, 256363340), (4, 128181670), (5, 102545336), (8, 64090835), (10, 51272668), (20, 25636334), (40, 12818167), (2141, 239480), (4282, 119740), (5987, 85640), (8564, 59870), (10705, 47896), (11974, 42820), (17128, 29935), (21410, 23948)]