5011720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2557}}^1$

素因数の和:2582

約数の個数: 48

約数和(自身を含む): 13122540

約数和(自身を除く): 8110820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2557, 5114, 10228, 12785, 17899, 20456, 25570, 35798, 51140, 71596, 89495, 102280, 125293, 143192, 178990, 250586, 357980, 501172, 626465, 715960, 1002344, 1252930, 2505860, 5011720]

約数ペア:

[(1, 5011720), (2, 2505860), (4, 1252930), (5, 1002344), (7, 715960), (8, 626465), (10, 501172), (14, 357980), (20, 250586), (28, 178990), (35, 143192), (40, 125293), (49, 102280), (56, 89495), (70, 71596), (98, 51140), (140, 35798), (196, 25570), (245, 20456), (280, 17899), (392, 12785), (490, 10228), (980, 5114), (1960, 2557)]