27897580

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1699}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 58690800

約数和(自身を除く): 30793220

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 1699, 3284, 3398, 4105, 6796, 8210, 8495, 16420, 16990, 33980, 1394879, 2789758, 5579516, 6974395, 13948790, 27897580]

約数ペア:

[(1, 27897580), (2, 13948790), (4, 6974395), (5, 5579516), (10, 2789758), (20, 1394879), (821, 33980), (1642, 16990), (1699, 16420), (3284, 8495), (3398, 8210), (4105, 6796)]