87754840

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5471}}^1$

素因数の和:5883

約数の個数: 32

約数和(自身を含む): 197976960

約数和(自身を除く): 110222120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 5471, 8020, 10942, 16040, 21884, 27355, 43768, 54710, 109420, 218840, 2193871, 4387742, 8775484, 10969355, 17550968, 21938710, 43877420, 87754840]

約数ペア:

[(1, 87754840), (2, 43877420), (4, 21938710), (5, 17550968), (8, 10969355), (10, 8775484), (20, 4387742), (40, 2193871), (401, 218840), (802, 109420), (1604, 54710), (2005, 43768), (3208, 27355), (4010, 21884), (5471, 16040), (8020, 10942)]