426368540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1639879}}^1$

素因数の和:1639901

約数の個数: 24

約数和(自身を含む): 964249440

約数和(自身を除く): 537880900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1639879, 3279758, 6559516, 8199395, 16398790, 21318427, 32797580, 42636854, 85273708, 106592135, 213184270, 426368540]

約数ペア:

[(1, 426368540), (2, 213184270), (4, 106592135), (5, 85273708), (10, 42636854), (13, 32797580), (20, 21318427), (26, 16398790), (52, 8199395), (65, 6559516), (130, 3279758), (260, 1639879)]