42397690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103409}}^1$

素因数の和:103457

約数の個数: 16

約数和(自身を含む): 78177960

約数和(自身を除く): 35780270

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 103409, 206818, 517045, 1034090, 4239769, 8479538, 21198845, 42397690]

約数ペア:

[(1, 42397690), (2, 21198845), (5, 8479538), (10, 4239769), (41, 1034090), (82, 517045), (205, 206818), (410, 103409)]