40320890

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{27061}}^1$

素因数の和:27217

約数の個数: 16

約数和(自身を含む): 73067400

約数和(自身を除く): 32746510

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 27061, 54122, 135305, 270610, 4032089, 8064178, 20160445, 40320890]

約数ペア:

[(1, 40320890), (2, 20160445), (5, 8064178), (10, 4032089), (149, 270610), (298, 135305), (745, 54122), (1490, 27061)]