12968150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 26435808

約数和(自身を除く): 13467658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 281, 325, 355, 562, 650, 710, 923, 1405, 1775, 1846, 2810, 3550, 3653, 4615, 7025, 7306, 9230, 14050, 18265, 19951, 23075, 36530, 39902, 46150, 91325, 99755, 182650, 199510, 259363, 498775, 518726, 997550, 1296815, 2593630, 6484075, 12968150]

約数ペア:

[(1, 12968150), (2, 6484075), (5, 2593630), (10, 1296815), (13, 997550), (25, 518726), (26, 498775), (50, 259363), (65, 199510), (71, 182650), (130, 99755), (142, 91325), (281, 46150), (325, 39902), (355, 36530), (562, 23075), (650, 19951), (710, 18265), (923, 14050), (1405, 9230), (1775, 7306), (1846, 7025), (2810, 4615), (3550, 3653)]