64886120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124781}}^1$

素因数の和:124805

約数の個数: 32

約数和(自身を含む): 157225320

約数和(自身を除く): 92339200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 124781, 249562, 499124, 623905, 998248, 1247810, 1622153, 2495620, 3244306, 4991240, 6488612, 8110765, 12977224, 16221530, 32443060, 64886120]

約数ペア:

[(1, 64886120), (2, 32443060), (4, 16221530), (5, 12977224), (8, 8110765), (10, 6488612), (13, 4991240), (20, 3244306), (26, 2495620), (40, 1622153), (52, 1247810), (65, 998248), (104, 623905), (130, 499124), (260, 249562), (520, 124781)]