15401420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24841}}^1$

素因数の和:24881

約数の個数: 24

約数和(自身を含む): 33387648

約数和(自身を除く): 17986228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 24841, 49682, 99364, 124205, 248410, 496820, 770071, 1540142, 3080284, 3850355, 7700710, 15401420]

約数ペア:

[(1, 15401420), (2, 7700710), (4, 3850355), (5, 3080284), (10, 1540142), (20, 770071), (31, 496820), (62, 248410), (124, 124205), (155, 99364), (310, 49682), (620, 24841)]