28843960

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1721}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 65091600

約数和(自身を除く): 36247640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 1721, 2095, 3352, 3442, 4190, 6884, 8380, 8605, 13768, 16760, 17210, 34420, 68840, 721099, 1442198, 2884396, 3605495, 5768792, 7210990, 14421980, 28843960]

約数ペア:

[(1, 28843960), (2, 14421980), (4, 7210990), (5, 5768792), (8, 3605495), (10, 2884396), (20, 1442198), (40, 721099), (419, 68840), (838, 34420), (1676, 17210), (1721, 16760), (2095, 13768), (3352, 8605), (3442, 8380), (4190, 6884)]