80787655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 111694464

約数和(自身を除く): 30906809

約数列:

[1, 5, 13, 17, 65, 85, 113, 221, 565, 647, 1105, 1469, 1921, 3235, 7345, 8411, 9605, 10999, 24973, 42055, 54995, 73111, 124865, 142987, 365555, 714935, 950443, 1242887, 4752215, 6214435, 16157531, 80787655]

約数ペア:

[(1, 80787655), (5, 16157531), (13, 6214435), (17, 4752215), (65, 1242887), (85, 950443), (113, 714935), (221, 365555), (565, 142987), (647, 124865), (1105, 73111), (1469, 54995), (1921, 42055), (3235, 24973), (7345, 10999), (8411, 9605)]