90680810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{1019}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 178459200

約数和(自身を除く): 87778390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 809, 1019, 1618, 2038, 4045, 5095, 8090, 8899, 10190, 11209, 17798, 22418, 44495, 56045, 88990, 112090, 824371, 1648742, 4121855, 8243710, 9068081, 18136162, 45340405, 90680810]

約数ペア:

[(1, 90680810), (2, 45340405), (5, 18136162), (10, 9068081), (11, 8243710), (22, 4121855), (55, 1648742), (110, 824371), (809, 112090), (1019, 88990), (1618, 56045), (2038, 44495), (4045, 22418), (5095, 17798), (8090, 11209), (8899, 10190)]