42432920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12781}}^1$

素因数の和:12875

約数の個数: 32

約数和(自身を含む): 96631920

約数和(自身を除く): 54199000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 12781, 25562, 51124, 63905, 102248, 127810, 255620, 511240, 1060823, 2121646, 4243292, 5304115, 8486584, 10608230, 21216460, 42432920]

約数ペア:

[(1, 42432920), (2, 21216460), (4, 10608230), (5, 8486584), (8, 5304115), (10, 4243292), (20, 2121646), (40, 1060823), (83, 511240), (166, 255620), (332, 127810), (415, 102248), (664, 63905), (830, 51124), (1660, 25562), (3320, 12781)]