90650920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28687}}^1$

素因数の和:28777

約数の個数: 32

約数和(自身を含む): 206553600

約数和(自身を除く): 115902680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28687, 57374, 114748, 143435, 229496, 286870, 573740, 1147480, 2266273, 4532546, 9065092, 11331365, 18130184, 22662730, 45325460, 90650920]

約数ペア:

[(1, 90650920), (2, 45325460), (4, 22662730), (5, 18130184), (8, 11331365), (10, 9065092), (20, 4532546), (40, 2266273), (79, 1147480), (158, 573740), (316, 286870), (395, 229496), (632, 143435), (790, 114748), (1580, 57374), (3160, 28687)]