99744980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{160879}}^1$

素因数の和:160919

約数の個数: 24

約数和(自身を含む): 216222720

約数和(自身を除く): 116477740

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 160879, 321758, 643516, 804395, 1608790, 3217580, 4987249, 9974498, 19948996, 24936245, 49872490, 99744980]

約数ペア:

[(1, 99744980), (2, 49872490), (4, 24936245), (5, 19948996), (10, 9974498), (20, 4987249), (31, 3217580), (62, 1608790), (124, 804395), (155, 643516), (310, 321758), (620, 160879)]