99940240

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5227}}^1$

素因数の和:5479

約数の個数: 40

約数和(自身を含む): 233377920

約数和(自身を除く): 133437680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 5227, 9560, 10454, 19120, 20908, 26135, 41816, 52270, 83632, 104540, 209080, 418160, 1249253, 2498506, 4997012, 6246265, 9994024, 12492530, 19988048, 24985060, 49970120, 99940240]

約数ペア:

[(1, 99940240), (2, 49970120), (4, 24985060), (5, 19988048), (8, 12492530), (10, 9994024), (16, 6246265), (20, 4997012), (40, 2498506), (80, 1249253), (239, 418160), (478, 209080), (956, 104540), (1195, 83632), (1912, 52270), (2390, 41816), (3824, 26135), (4780, 20908), (5227, 19120), (9560, 10454)]