26228540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 59693760

約数和(自身を除く): 33465220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 281, 359, 562, 718, 1124, 1405, 1436, 1795, 2810, 3590, 3653, 4667, 5620, 7180, 7306, 9334, 14612, 18265, 18668, 23335, 36530, 46670, 73060, 93340, 100879, 201758, 403516, 504395, 1008790, 1311427, 2017580, 2622854, 5245708, 6557135, 13114270, 26228540]

約数ペア:

[(1, 26228540), (2, 13114270), (4, 6557135), (5, 5245708), (10, 2622854), (13, 2017580), (20, 1311427), (26, 1008790), (52, 504395), (65, 403516), (130, 201758), (260, 100879), (281, 93340), (359, 73060), (562, 46670), (718, 36530), (1124, 23335), (1405, 18668), (1436, 18265), (1795, 14612), (2810, 9334), (3590, 7306), (3653, 7180), (4667, 5620)]