2564390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2539}}^1$

素因数の和:2647

約数の個数: 16

約数和(自身を含む): 4663440

約数和(自身を除く): 2099050

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 2539, 5078, 12695, 25390, 256439, 512878, 1282195, 2564390]

約数ペア:

[(1, 2564390), (2, 1282195), (5, 512878), (10, 256439), (101, 25390), (202, 12695), (505, 5078), (1010, 2539)]