80490576820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{129823511}}^1$

素因数の和:129823551

約数の個数: 24

約数和(自身を含む): 174482800128

約数和(自身を除く): 93992223308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 129823511, 259647022, 519294044, 649117555, 1298235110, 2596470220, 4024528841, 8049057682, 16098115364, 20122644205, 40245288410, 80490576820]

約数ペア:

[(1, 80490576820), (2, 40245288410), (4, 20122644205), (5, 16098115364), (10, 8049057682), (20, 4024528841), (31, 2596470220), (62, 1298235110), (124, 649117555), (155, 519294044), (310, 259647022), (620, 129823511)]