42242020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25447}}^1$

素因数の和:25539

約数の個数: 24

約数和(自身を含む): 89780544

約数和(自身を除く): 47538524

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 25447, 50894, 101788, 127235, 254470, 508940, 2112101, 4224202, 8448404, 10560505, 21121010, 42242020]

約数ペア:

[(1, 42242020), (2, 21121010), (4, 10560505), (5, 8448404), (10, 4224202), (20, 2112101), (83, 508940), (166, 254470), (332, 127235), (415, 101788), (830, 50894), (1660, 25447)]