80857136

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1989

約数の個数: 40

約数和(自身を含む): 163185984

約数和(自身を除く): 82328848

約数列:

[1, 2, 4, 8, 16, 37, 73, 74, 146, 148, 292, 296, 584, 592, 1168, 1871, 2701, 3742, 5402, 7484, 10804, 14968, 21608, 29936, 43216, 69227, 136583, 138454, 273166, 276908, 546332, 553816, 1092664, 1107632, 2185328, 5053571, 10107142, 20214284, 40428568, 80857136]

約数ペア:

[(1, 80857136), (2, 40428568), (4, 20214284), (8, 10107142), (16, 5053571), (37, 2185328), (73, 1107632), (74, 1092664), (146, 553816), (148, 546332), (292, 276908), (296, 273166), (584, 138454), (592, 136583), (1168, 69227), (1871, 43216), (2701, 29936), (3742, 21608), (5402, 14968), (7484, 10804)]