8326720520

素因数分解:

$2^3\times 5^1\times {\mathrm{11071}}^1\times {\mathrm{18803}}^1$

素因数の和:29885

約数の個数: 32

約数和(自身を含む): 18737809920

約数和(自身を除く): 10411089400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11071, 18803, 22142, 37606, 44284, 55355, 75212, 88568, 94015, 110710, 150424, 188030, 221420, 376060, 442840, 752120, 208168013, 416336026, 832672052, 1040840065, 1665344104, 2081680130, 4163360260, 8326720520]

約数ペア:

[(1, 8326720520), (2, 4163360260), (4, 2081680130), (5, 1665344104), (8, 1040840065), (10, 832672052), (20, 416336026), (40, 208168013), (11071, 752120), (18803, 442840), (22142, 376060), (37606, 221420), (44284, 188030), (55355, 150424), (75212, 110710), (88568, 94015)]