90564920

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{9887}}^1$

素因数の和:10127

約数の個数: 32

約数和(自身を含む): 204681600

約数和(自身を除く): 114116680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 9887, 19774, 39548, 49435, 79096, 98870, 197740, 395480, 2264123, 4528246, 9056492, 11320615, 18112984, 22641230, 45282460, 90564920]

約数ペア:

[(1, 90564920), (2, 45282460), (4, 22641230), (5, 18112984), (8, 11320615), (10, 9056492), (20, 4528246), (40, 2264123), (229, 395480), (458, 197740), (916, 98870), (1145, 79096), (1832, 49435), (2290, 39548), (4580, 19774), (9160, 9887)]