42089780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51329}}^1$

素因数の和:51379

約数の個数: 24

約数和(自身を含む): 90546120

約数和(自身を除く): 48456340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 51329, 102658, 205316, 256645, 513290, 1026580, 2104489, 4208978, 8417956, 10522445, 21044890, 42089780]

約数ペア:

[(1, 42089780), (2, 21044890), (4, 10522445), (5, 8417956), (10, 4208978), (20, 2104489), (41, 1026580), (82, 513290), (164, 256645), (205, 205316), (410, 102658), (820, 51329)]