40428568

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 78960960

約数和(自身を除く): 38532392

約数列:

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

約数ペア:

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