77966920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{26701}}^1$

素因数の和:26785

約数の個数: 32

約数和(自身を含む): 177835320

約数和(自身を除く): 99868400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 26701, 53402, 106804, 133505, 213608, 267010, 534020, 1068040, 1949173, 3898346, 7796692, 9745865, 15593384, 19491730, 38983460, 77966920]

約数ペア:

[(1, 77966920), (2, 38983460), (4, 19491730), (5, 15593384), (8, 9745865), (10, 7796692), (20, 3898346), (40, 1949173), (73, 1068040), (146, 534020), (292, 267010), (365, 213608), (584, 133505), (730, 106804), (1460, 53402), (2920, 26701)]