42002980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{25303}}^1$

素因数の和:25395

約数の個数: 24

約数和(自身を含む): 89272512

約数和(自身を除く): 47269532

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 25303, 50606, 101212, 126515, 253030, 506060, 2100149, 4200298, 8400596, 10500745, 21001490, 42002980]

約数ペア:

[(1, 42002980), (2, 21001490), (4, 10500745), (5, 8400596), (10, 4200298), (20, 2100149), (83, 506060), (166, 253030), (332, 126515), (415, 101212), (830, 50606), (1660, 25303)]