49904420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80491}}^1$

素因数の和:80531

約数の個数: 24

約数和(自身を含む): 108181248

約数和(自身を除く): 58276828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 80491, 160982, 321964, 402455, 804910, 1609820, 2495221, 4990442, 9980884, 12476105, 24952210, 49904420]

約数ペア:

[(1, 49904420), (2, 24952210), (4, 12476105), (5, 9980884), (10, 4990442), (20, 2495221), (31, 1609820), (62, 804910), (124, 402455), (155, 321964), (310, 160982), (620, 80491)]