8195335280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9312881}}^1$

素因数の和:9312905

約数の個数: 40

約数和(自身を含む): 20786352624

約数和(自身を除く): 12591017344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9312881, 18625762, 37251524, 46564405, 74503048, 93128810, 102441691, 149006096, 186257620, 204883382, 372515240, 409766764, 512208455, 745030480, 819533528, 1024416910, 1639067056, 2048833820, 4097667640, 8195335280]

約数ペア:

[(1, 8195335280), (2, 4097667640), (4, 2048833820), (5, 1639067056), (8, 1024416910), (10, 819533528), (11, 745030480), (16, 512208455), (20, 409766764), (22, 372515240), (40, 204883382), (44, 186257620), (55, 149006096), (80, 102441691), (88, 93128810), (110, 74503048), (176, 46564405), (220, 37251524), (440, 18625762), (880, 9312881)]