79559740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{305999}}^1$

素因数の和:306021

約数の個数: 24

約数和(自身を含む): 179928000

約数和(自身を除く): 100368260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 305999, 611998, 1223996, 1529995, 3059990, 3977987, 6119980, 7955974, 15911948, 19889935, 39779870, 79559740]

約数ペア:

[(1, 79559740), (2, 39779870), (4, 19889935), (5, 15911948), (10, 7955974), (13, 6119980), (20, 3977987), (26, 3059990), (52, 1529995), (65, 1223996), (130, 611998), (260, 305999)]