39842990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1289}}^1$

素因数の和:1588

約数の個数: 32

約数和(自身を含む): 78576480

約数和(自身を除く): 38733490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 1289, 1405, 2578, 2810, 3091, 6182, 6445, 12890, 14179, 15455, 28358, 30910, 70895, 141790, 362209, 724418, 1811045, 3622090, 3984299, 7968598, 19921495, 39842990]

約数ペア:

[(1, 39842990), (2, 19921495), (5, 7968598), (10, 3984299), (11, 3622090), (22, 1811045), (55, 724418), (110, 362209), (281, 141790), (562, 70895), (1289, 30910), (1405, 28358), (2578, 15455), (2810, 14179), (3091, 12890), (6182, 6445)]