8899640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 20122560

約数和(自身を除く): 11222920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 821, 1084, 1355, 1642, 2168, 2710, 3284, 4105, 5420, 6568, 8210, 10840, 16420, 32840, 222491, 444982, 889964, 1112455, 1779928, 2224910, 4449820, 8899640]

約数ペア:

[(1, 8899640), (2, 4449820), (4, 2224910), (5, 1779928), (8, 1112455), (10, 889964), (20, 444982), (40, 222491), (271, 32840), (542, 16420), (821, 10840), (1084, 8210), (1355, 6568), (1642, 5420), (2168, 4105), (2710, 3284)]