78224080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8081}}^1$

素因数の和:8116

約数の個数: 60

約数和(自身を含む): 199932516

約数和(自身を除く): 121708436

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 8081, 9680, 16162, 32324, 40405, 64648, 80810, 88891, 129296, 161620, 177782, 323240, 355564, 444455, 646480, 711128, 888910, 977801, 1422256, 1777820, 1955602, 3555640, 3911204, 4889005, 7111280, 7822408, 9778010, 15644816, 19556020, 39112040, 78224080]

約数ペア:

[(1, 78224080), (2, 39112040), (4, 19556020), (5, 15644816), (8, 9778010), (10, 7822408), (11, 7111280), (16, 4889005), (20, 3911204), (22, 3555640), (40, 1955602), (44, 1777820), (55, 1422256), (80, 977801), (88, 888910), (110, 711128), (121, 646480), (176, 444455), (220, 355564), (242, 323240), (440, 177782), (484, 161620), (605, 129296), (880, 88891), (968, 80810), (1210, 64648), (1936, 40405), (2420, 32324), (4840, 16162), (8081, 9680)]