39993680

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3067}}^1$

素因数の和:3243

約数の個数: 40

約数和(自身を含む): 93586272

約数和(自身を除く): 53592592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3067, 3260, 6134, 6520, 12268, 13040, 15335, 24536, 30670, 49072, 61340, 122680, 245360, 499921, 999842, 1999684, 2499605, 3999368, 4999210, 7998736, 9998420, 19996840, 39993680]

約数ペア:

[(1, 39993680), (2, 19996840), (4, 9998420), (5, 7998736), (8, 4999210), (10, 3999368), (16, 2499605), (20, 1999684), (40, 999842), (80, 499921), (163, 245360), (326, 122680), (652, 61340), (815, 49072), (1304, 30670), (1630, 24536), (2608, 15335), (3067, 13040), (3260, 12268), (6134, 6520)]