25681370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17959}}^1$

素因数の和:17990

約数の個数: 32

約数和(自身を含む): 54311040

約数和(自身を除く): 28629670

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17959, 35918, 89795, 179590, 197549, 233467, 395098, 466934, 987745, 1167335, 1975490, 2334670, 2568137, 5136274, 12840685, 25681370]

約数ペア:

[(1, 25681370), (2, 12840685), (5, 5136274), (10, 2568137), (11, 2334670), (13, 1975490), (22, 1167335), (26, 987745), (55, 466934), (65, 395098), (110, 233467), (130, 197549), (143, 179590), (286, 89795), (715, 35918), (1430, 17959)]