16315640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3371}}^1$

素因数の和:3404

約数の個数: 48

約数和(自身を含む): 40362840

約数和(自身を除く): 24047200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3371, 4840, 6742, 13484, 16855, 26968, 33710, 37081, 67420, 74162, 134840, 148324, 185405, 296648, 370810, 407891, 741620, 815782, 1483240, 1631564, 2039455, 3263128, 4078910, 8157820, 16315640]

約数ペア:

[(1, 16315640), (2, 8157820), (4, 4078910), (5, 3263128), (8, 2039455), (10, 1631564), (11, 1483240), (20, 815782), (22, 741620), (40, 407891), (44, 370810), (55, 296648), (88, 185405), (110, 148324), (121, 134840), (220, 74162), (242, 67420), (440, 37081), (484, 33710), (605, 26968), (968, 16855), (1210, 13484), (2420, 6742), (3371, 4840)]