207961640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167711}}^1$

素因数の和:167753

約数の個数: 32

約数和(自身を含む): 483010560

約数和(自身を除く): 275048920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 167711, 335422, 670844, 838555, 1341688, 1677110, 3354220, 5199041, 6708440, 10398082, 20796164, 25995205, 41592328, 51990410, 103980820, 207961640]

約数ペア:

[(1, 207961640), (2, 103980820), (4, 51990410), (5, 41592328), (8, 25995205), (10, 20796164), (20, 10398082), (31, 6708440), (40, 5199041), (62, 3354220), (124, 1677110), (155, 1341688), (248, 838555), (310, 670844), (620, 335422), (1240, 167711)]