38677420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{12979}}^1$

素因数の和:13137

約数の個数: 24

約数和(自身を含む): 81774000

約数和(自身を除く): 43096580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 12979, 25958, 51916, 64895, 129790, 259580, 1933871, 3867742, 7735484, 9669355, 19338710, 38677420]

約数ペア:

[(1, 38677420), (2, 19338710), (4, 9669355), (5, 7735484), (10, 3867742), (20, 1933871), (149, 259580), (298, 129790), (596, 64895), (745, 51916), (1490, 25958), (2980, 12979)]