49878380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80449}}^1$

素因数の和:80489

約数の個数: 24

約数和(自身を含む): 108124800

約数和(自身を除く): 58246420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 80449, 160898, 321796, 402245, 804490, 1608980, 2493919, 4987838, 9975676, 12469595, 24939190, 49878380]

約数ペア:

[(1, 49878380), (2, 24939190), (4, 12469595), (5, 9975676), (10, 4987838), (20, 2493919), (31, 1608980), (62, 804490), (124, 402245), (155, 321796), (310, 160898), (620, 80449)]