4449820

素因数分解:

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

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 9390528

約数和(自身を除く): 4940708

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 821, 1084, 1355, 1642, 2710, 3284, 4105, 5420, 8210, 16420, 222491, 444982, 889964, 1112455, 2224910, 4449820]

約数ペア:

[(1, 4449820), (2, 2224910), (4, 1112455), (5, 889964), (10, 444982), (20, 222491), (271, 16420), (542, 8210), (821, 5420), (1084, 4105), (1355, 3284), (1642, 2710)]