87667880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27743}}^1$

素因数の和:27833

約数の個数: 32

約数和(自身を含む): 199756800

約数和(自身を除く): 112088920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 27743, 55486, 110972, 138715, 221944, 277430, 554860, 1109720, 2191697, 4383394, 8766788, 10958485, 17533576, 21916970, 43833940, 87667880]

約数ペア:

[(1, 87667880), (2, 43833940), (4, 21916970), (5, 17533576), (8, 10958485), (10, 8766788), (20, 4383394), (40, 2191697), (79, 1109720), (158, 554860), (316, 277430), (395, 221944), (632, 138715), (790, 110972), (1580, 55486), (3160, 27743)]