78095420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{300367}}^1$

素因数の和:300389

約数の個数: 24

約数和(自身を含む): 176616384

約数和(自身を除く): 98520964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 300367, 600734, 1201468, 1501835, 3003670, 3904771, 6007340, 7809542, 15619084, 19523855, 39047710, 78095420]

約数ペア:

[(1, 78095420), (2, 39047710), (4, 19523855), (5, 15619084), (10, 7809542), (13, 6007340), (20, 3904771), (26, 3003670), (52, 1501835), (65, 1201468), (130, 600734), (260, 300367)]