8042420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2467}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 16999584

約数和(自身を除く): 8957164

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 2467, 3260, 4934, 9868, 12335, 24670, 49340, 402121, 804242, 1608484, 2010605, 4021210, 8042420]

約数ペア:

[(1, 8042420), (2, 4021210), (4, 2010605), (5, 1608484), (10, 804242), (20, 402121), (163, 49340), (326, 24670), (652, 12335), (815, 9868), (1630, 4934), (2467, 3260)]