86937640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{70111}}^1$

素因数の和:70153

約数の個数: 32

約数和(自身を含む): 201922560

約数和(自身を除く): 114984920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 70111, 140222, 280444, 350555, 560888, 701110, 1402220, 2173441, 2804440, 4346882, 8693764, 10867205, 17387528, 21734410, 43468820, 86937640]

約数ペア:

[(1, 86937640), (2, 43468820), (4, 21734410), (5, 17387528), (8, 10867205), (10, 8693764), (20, 4346882), (31, 2804440), (40, 2173441), (62, 1402220), (124, 701110), (155, 560888), (248, 350555), (310, 280444), (620, 140222), (1240, 70111)]