28201730

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{5413}}^1$

素因数の和:5941

約数の個数: 16

約数和(自身を含む): 50869944

約数和(自身を除く): 22668214

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 5413, 10826, 27065, 54130, 2820173, 5640346, 14100865, 28201730]

約数ペア:

[(1, 28201730), (2, 14100865), (5, 5640346), (10, 2820173), (521, 54130), (1042, 27065), (2605, 10826), (5210, 5413)]