25460680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{90931}}^1$

素因数の和:90949

約数の個数: 32

約数和(自身を含む): 65471040

約数和(自身を除く): 40010360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 90931, 181862, 363724, 454655, 636517, 727448, 909310, 1273034, 1818620, 2546068, 3182585, 3637240, 5092136, 6365170, 12730340, 25460680]

約数ペア:

[(1, 25460680), (2, 12730340), (4, 6365170), (5, 5092136), (7, 3637240), (8, 3182585), (10, 2546068), (14, 1818620), (20, 1273034), (28, 909310), (35, 727448), (40, 636517), (56, 454655), (70, 363724), (140, 181862), (280, 90931)]