20245737650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{83}}^2\times {\mathrm{1109}}^1$

素因数の和:1340

約数の個数: 72

約数和(自身を含む): 38870430660

約数和(自身を除く): 18624693010

約数列:

[1, 2, 5, 10, 25, 50, 53, 83, 106, 166, 265, 415, 530, 830, 1109, 1325, 2075, 2218, 2650, 4150, 4399, 5545, 6889, 8798, 11090, 13778, 21995, 27725, 34445, 43990, 55450, 58777, 68890, 92047, 109975, 117554, 172225, 184094, 219950, 293885, 344450, 365117, 460235, 587770, 730234, 920470, 1469425, 1825585, 2301175, 2938850, 3651170, 4602350, 4878491, 7639901, 9127925, 9756982, 15279802, 18255850, 24392455, 38199505, 48784910, 76399010, 121962275, 190997525, 243924550, 381995050, 404914753, 809829506, 2024573765, 4049147530, 10122868825, 20245737650]

約数ペア:

[(1, 20245737650), (2, 10122868825), (5, 4049147530), (10, 2024573765), (25, 809829506), (50, 404914753), (53, 381995050), (83, 243924550), (106, 190997525), (166, 121962275), (265, 76399010), (415, 48784910), (530, 38199505), (830, 24392455), (1109, 18255850), (1325, 15279802), (2075, 9756982), (2218, 9127925), (2650, 7639901), (4150, 4878491), (4399, 4602350), (5545, 3651170), (6889, 2938850), (8798, 2301175), (11090, 1825585), (13778, 1469425), (21995, 920470), (27725, 730234), (34445, 587770), (43990, 460235), (55450, 365117), (58777, 344450), (68890, 293885), (92047, 219950), (109975, 184094), (117554, 172225)]