15959420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25741}}^1$

素因数の和:25781

約数の個数: 24

約数和(自身を含む): 34597248

約数和(自身を除く): 18637828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 25741, 51482, 102964, 128705, 257410, 514820, 797971, 1595942, 3191884, 3989855, 7979710, 15959420]

約数ペア:

[(1, 15959420), (2, 7979710), (4, 3989855), (5, 3191884), (10, 1595942), (20, 797971), (31, 514820), (62, 257410), (124, 128705), (155, 102964), (310, 51482), (620, 25741)]