40920170

素因数分解:

$2^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{15559}}^1$

素因数の和:15829

約数の個数: 16

約数和(自身を含む): 73941120

約数和(自身を除く): 33020950

約数列:

[1, 2, 5, 10, 263, 526, 1315, 2630, 15559, 31118, 77795, 155590, 4092017, 8184034, 20460085, 40920170]

約数ペア:

[(1, 40920170), (2, 20460085), (5, 8184034), (10, 4092017), (263, 155590), (526, 77795), (1315, 31118), (2630, 15559)]