25585420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1439}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 61931520

約数和(自身を除く): 36346100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1439, 1778, 2540, 2878, 3556, 4445, 5756, 7195, 8890, 10073, 14390, 17780, 20146, 28780, 40292, 50365, 100730, 182753, 201460, 365506, 731012, 913765, 1279271, 1827530, 2558542, 3655060, 5117084, 6396355, 12792710, 25585420]

約数ペア:

[(1, 25585420), (2, 12792710), (4, 6396355), (5, 5117084), (7, 3655060), (10, 2558542), (14, 1827530), (20, 1279271), (28, 913765), (35, 731012), (70, 365506), (127, 201460), (140, 182753), (254, 100730), (508, 50365), (635, 40292), (889, 28780), (1270, 20146), (1439, 17780), (1778, 14390), (2540, 10073), (2878, 8890), (3556, 7195), (4445, 5756)]