13017500

素因数分解:

$2^2\times 5^4\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 60

約数和(自身を含む): 29390592

約数和(自身を除く): 16373092

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 127, 164, 205, 250, 254, 410, 500, 508, 625, 635, 820, 1025, 1250, 1270, 2050, 2500, 2540, 3175, 4100, 5125, 5207, 6350, 10250, 10414, 12700, 15875, 20500, 20828, 25625, 26035, 31750, 51250, 52070, 63500, 79375, 102500, 104140, 130175, 158750, 260350, 317500, 520700, 650875, 1301750, 2603500, 3254375, 6508750, 13017500]

約数ペア:

[(1, 13017500), (2, 6508750), (4, 3254375), (5, 2603500), (10, 1301750), (20, 650875), (25, 520700), (41, 317500), (50, 260350), (82, 158750), (100, 130175), (125, 104140), (127, 102500), (164, 79375), (205, 63500), (250, 52070), (254, 51250), (410, 31750), (500, 26035), (508, 25625), (625, 20828), (635, 20500), (820, 15875), (1025, 12700), (1250, 10414), (1270, 10250), (2050, 6350), (2500, 5207), (2540, 5125), (3175, 4100)]