29129080

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{887}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 65694240

約数和(自身を除く): 36565160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 887, 1642, 1774, 3284, 3548, 4105, 4435, 6568, 7096, 8210, 8870, 16420, 17740, 32840, 35480, 728227, 1456454, 2912908, 3641135, 5825816, 7282270, 14564540, 29129080]

約数ペア:

[(1, 29129080), (2, 14564540), (4, 7282270), (5, 5825816), (8, 3641135), (10, 2912908), (20, 1456454), (40, 728227), (821, 35480), (887, 32840), (1642, 17740), (1774, 16420), (3284, 8870), (3548, 8210), (4105, 7096), (4435, 6568)]