2100038980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{63599}}^1$

素因数の和:63748

約数の個数: 48

約数和(自身を含む): 4786790400

約数和(自身を除く): 2686751420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 16510, 33020, 63599, 127198, 254396, 317995, 635990, 826787, 1271980, 1653574, 3307148, 4133935, 8077073, 8267870, 16154146, 16535740, 32308292, 40385365, 80770730, 105001949, 161541460, 210003898, 420007796, 525009745, 1050019490, 2100038980]

約数ペア:

[(1, 2100038980), (2, 1050019490), (4, 525009745), (5, 420007796), (10, 210003898), (13, 161541460), (20, 105001949), (26, 80770730), (52, 40385365), (65, 32308292), (127, 16535740), (130, 16154146), (254, 8267870), (260, 8077073), (508, 4133935), (635, 3307148), (1270, 1653574), (1651, 1271980), (2540, 826787), (3302, 635990), (6604, 317995), (8255, 254396), (16510, 127198), (33020, 63599)]