25644640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3271}}^1$

素因数の和:3300

約数の個数: 72

約数和(自身を含む): 70498512

約数和(自身を除く): 44853872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3271, 3920, 6542, 7840, 13084, 16355, 22897, 26168, 32710, 45794, 52336, 65420, 91588, 104672, 114485, 130840, 160279, 183176, 228970, 261680, 320558, 366352, 457940, 523360, 641116, 732704, 801395, 915880, 1282232, 1602790, 1831760, 2564464, 3205580, 3663520, 5128928, 6411160, 12822320, 25644640]

約数ペア:

[(1, 25644640), (2, 12822320), (4, 6411160), (5, 5128928), (7, 3663520), (8, 3205580), (10, 2564464), (14, 1831760), (16, 1602790), (20, 1282232), (28, 915880), (32, 801395), (35, 732704), (40, 641116), (49, 523360), (56, 457940), (70, 366352), (80, 320558), (98, 261680), (112, 228970), (140, 183176), (160, 160279), (196, 130840), (224, 114485), (245, 104672), (280, 91588), (392, 65420), (490, 52336), (560, 45794), (784, 32710), (980, 26168), (1120, 22897), (1568, 16355), (1960, 13084), (3271, 7840), (3920, 6542)]