5556440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4481}}^1$

素因数の和:4523

約数の個数: 32

約数和(自身を含む): 12908160

約数和(自身を除く): 7351720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 4481, 8962, 17924, 22405, 35848, 44810, 89620, 138911, 179240, 277822, 555644, 694555, 1111288, 1389110, 2778220, 5556440]

約数ペア:

[(1, 5556440), (2, 2778220), (4, 1389110), (5, 1111288), (8, 694555), (10, 555644), (20, 277822), (31, 179240), (40, 138911), (62, 89620), (124, 44810), (155, 35848), (248, 22405), (310, 17924), (620, 8962), (1240, 4481)]