99808840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80491}}^1$

素因数の和:80533

約数の個数: 32

約数和(自身を含む): 231816960

約数和(自身を除く): 132008120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 80491, 160982, 321964, 402455, 643928, 804910, 1609820, 2495221, 3219640, 4990442, 9980884, 12476105, 19961768, 24952210, 49904420, 99808840]

約数ペア:

[(1, 99808840), (2, 49904420), (4, 24952210), (5, 19961768), (8, 12476105), (10, 9980884), (20, 4990442), (31, 3219640), (40, 2495221), (62, 1609820), (124, 804910), (155, 643928), (248, 402455), (310, 321964), (620, 160982), (1240, 80491)]