54180440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13411}}^1$

素因数の和:13523

約数の個数: 32

約数和(自身を含む): 123122160

約数和(自身を除く): 68941720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 13411, 26822, 53644, 67055, 107288, 134110, 268220, 536440, 1354511, 2709022, 5418044, 6772555, 10836088, 13545110, 27090220, 54180440]

約数ペア:

[(1, 54180440), (2, 27090220), (4, 13545110), (5, 10836088), (8, 6772555), (10, 5418044), (20, 2709022), (40, 1354511), (101, 536440), (202, 268220), (404, 134110), (505, 107288), (808, 67055), (1010, 53644), (2020, 26822), (4040, 13411)]