72639400

素因数分解:

$2^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1447}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 169676640

約数和(自身を除く): 97037240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 251, 502, 1004, 1255, 1447, 2008, 2510, 2894, 5020, 5788, 6275, 7235, 10040, 11576, 12550, 14470, 25100, 28940, 36175, 50200, 57880, 72350, 144700, 289400, 363197, 726394, 1452788, 1815985, 2905576, 3631970, 7263940, 9079925, 14527880, 18159850, 36319700, 72639400]

約数ペア:

[(1, 72639400), (2, 36319700), (4, 18159850), (5, 14527880), (8, 9079925), (10, 7263940), (20, 3631970), (25, 2905576), (40, 1815985), (50, 1452788), (100, 726394), (200, 363197), (251, 289400), (502, 144700), (1004, 72350), (1255, 57880), (1447, 50200), (2008, 36175), (2510, 28940), (2894, 25100), (5020, 14470), (5788, 12550), (6275, 11576), (7235, 10040)]