89561480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{72227}}^1$

素因数の和:72269

約数の個数: 32

約数和(自身を含む): 208016640

約数和(自身を除く): 118455160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 72227, 144454, 288908, 361135, 577816, 722270, 1444540, 2239037, 2889080, 4478074, 8956148, 11195185, 17912296, 22390370, 44780740, 89561480]

約数ペア:

[(1, 89561480), (2, 44780740), (4, 22390370), (5, 17912296), (8, 11195185), (10, 8956148), (20, 4478074), (31, 2889080), (40, 2239037), (62, 1444540), (124, 722270), (155, 577816), (248, 361135), (310, 288908), (620, 144454), (1240, 72227)]