78520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 191520

約数和(自身を除く): 113000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 260, 302, 520, 604, 755, 1208, 1510, 1963, 3020, 3926, 6040, 7852, 9815, 15704, 19630, 39260, 78520]

約数ペア:

[(1, 78520), (2, 39260), (4, 19630), (5, 15704), (8, 9815), (10, 7852), (13, 6040), (20, 3926), (26, 3020), (40, 1963), (52, 1510), (65, 1208), (104, 755), (130, 604), (151, 520), (260, 302)]