289410080

素因数分解:

$2^5\times 5^1\times {\mathrm{1808813}}^1$

素因数の和:1808828

約数の個数: 24

約数和(自身を含む): 683731692

約数和(自身を除く): 394321612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1808813, 3617626, 7235252, 9044065, 14470504, 18088130, 28941008, 36176260, 57882016, 72352520, 144705040, 289410080]

約数ペア:

[(1, 289410080), (2, 144705040), (4, 72352520), (5, 57882016), (8, 36176260), (10, 28941008), (16, 18088130), (20, 14470504), (32, 9044065), (40, 7235252), (80, 3617626), (160, 1808813)]