139665040

素因数分解:

$2^4\times 5^1\times {\mathrm{1745813}}^1$

素因数の和:1745826

約数の個数: 20

約数和(自身を含む): 324721404

約数和(自身を除く): 185056364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1745813, 3491626, 6983252, 8729065, 13966504, 17458130, 27933008, 34916260, 69832520, 139665040]

約数ペア:

[(1, 139665040), (2, 69832520), (4, 34916260), (5, 27933008), (8, 17458130), (10, 13966504), (16, 8729065), (20, 6983252), (40, 3491626), (80, 1745813)]