9959039680

素因数分解:

$2^6\times 5^1\times {\mathrm{31121999}}^1$

素因数の和:31122016

約数の個数: 28

約数和(自身を含む): 23714964000

約数和(自身を除く): 13755924320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 31121999, 62243998, 124487996, 155609995, 248975992, 311219990, 497951984, 622439980, 995903968, 1244879960, 1991807936, 2489759920, 4979519840, 9959039680]

約数ペア:

[(1, 9959039680), (2, 4979519840), (4, 2489759920), (5, 1991807936), (8, 1244879960), (10, 995903968), (16, 622439980), (20, 497951984), (32, 311219990), (40, 248975992), (64, 155609995), (80, 124487996), (160, 62243998), (320, 31121999)]