15642040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23003}}^1$

素因数の和:23031

約数の個数: 32

約数和(自身を含む): 37266480

約数和(自身を除く): 21624440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23003, 46006, 92012, 115015, 184024, 230030, 391051, 460060, 782102, 920120, 1564204, 1955255, 3128408, 3910510, 7821020, 15642040]

約数ペア:

[(1, 15642040), (2, 7821020), (4, 3910510), (5, 3128408), (8, 1955255), (10, 1564204), (17, 920120), (20, 782102), (34, 460060), (40, 391051), (68, 230030), (85, 184024), (136, 115015), (170, 92012), (340, 46006), (680, 23003)]