25486040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7159}}^1$

素因数の和:7259

約数の個数: 32

約数和(自身を含む): 57996000

約数和(自身を除く): 32509960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 7159, 14318, 28636, 35795, 57272, 71590, 143180, 286360, 637151, 1274302, 2548604, 3185755, 5097208, 6371510, 12743020, 25486040]

約数ペア:

[(1, 25486040), (2, 12743020), (4, 6371510), (5, 5097208), (8, 3185755), (10, 2548604), (20, 1274302), (40, 637151), (89, 286360), (178, 143180), (356, 71590), (445, 57272), (712, 35795), (890, 28636), (1780, 14318), (3560, 7159)]