68113240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{130987}}^1$

素因数の和:131011

約数の個数: 32

約数和(自身を含む): 165044880

約数和(自身を除く): 96931640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 130987, 261974, 523948, 654935, 1047896, 1309870, 1702831, 2619740, 3405662, 5239480, 6811324, 8514155, 13622648, 17028310, 34056620, 68113240]

約数ペア:

[(1, 68113240), (2, 34056620), (4, 17028310), (5, 13622648), (8, 8514155), (10, 6811324), (13, 5239480), (20, 3405662), (26, 2619740), (40, 1702831), (52, 1309870), (65, 1047896), (104, 654935), (130, 523948), (260, 261974), (520, 130987)]