388357160

素因数分解:

$2^3\times 5^1\times {\mathrm{2557}}^1\times {\mathrm{3797}}^1$

素因数の和:6365

約数の個数: 32

約数和(自身を含む): 874375560

約数和(自身を除く): 486018400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2557, 3797, 5114, 7594, 10228, 12785, 15188, 18985, 20456, 25570, 30376, 37970, 51140, 75940, 102280, 151880, 9708929, 19417858, 38835716, 48544645, 77671432, 97089290, 194178580, 388357160]

約数ペア:

[(1, 388357160), (2, 194178580), (4, 97089290), (5, 77671432), (8, 48544645), (10, 38835716), (20, 19417858), (40, 9708929), (2557, 151880), (3797, 102280), (5114, 75940), (7594, 51140), (10228, 37970), (12785, 30376), (15188, 25570), (18985, 20456)]