25422640

素因数分解:

$2^4\times 5^1\times {\mathrm{317783}}^1$

素因数の和:317796

約数の個数: 20

約数和(自身を含む): 59107824

約数和(自身を除く): 33685184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317783, 635566, 1271132, 1588915, 2542264, 3177830, 5084528, 6355660, 12711320, 25422640]

約数ペア:

[(1, 25422640), (2, 12711320), (4, 6355660), (5, 5084528), (8, 3177830), (10, 2542264), (16, 1588915), (20, 1271132), (40, 635566), (80, 317783)]