42454490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{25121}}^1$

素因数の和:25154

約数の個数: 24

約数和(自身を含む): 82751868

約数和(自身を除く): 40297378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 25121, 50242, 125605, 251210, 326573, 653146, 1632865, 3265730, 4245449, 8490898, 21227245, 42454490]

約数ペア:

[(1, 42454490), (2, 21227245), (5, 8490898), (10, 4245449), (13, 3265730), (26, 1632865), (65, 653146), (130, 326573), (169, 251210), (338, 125605), (845, 50242), (1690, 25121)]