25705420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98867}}^1$

素因数の和:98889

約数の個数: 24

約数和(自身を含む): 58134384

約数和(自身を除く): 32428964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98867, 197734, 395468, 494335, 988670, 1285271, 1977340, 2570542, 5141084, 6426355, 12852710, 25705420]

約数ペア:

[(1, 25705420), (2, 12852710), (4, 6426355), (5, 5141084), (10, 2570542), (13, 1977340), (20, 1285271), (26, 988670), (52, 494335), (65, 395468), (130, 197734), (260, 98867)]