13665040

素因数分解:

$2^4\times 5^1\times {\mathrm{170813}}^1$

素因数の和:170826

約数の個数: 20

約数和(自身を含む): 31771404

約数和(自身を除く): 18106364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 170813, 341626, 683252, 854065, 1366504, 1708130, 2733008, 3416260, 6832520, 13665040]

約数ペア:

[(1, 13665040), (2, 6832520), (4, 3416260), (5, 2733008), (8, 1708130), (10, 1366504), (16, 854065), (20, 683252), (40, 341626), (80, 170813)]