2019908875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{16339}}^1$

素因数の和:16420

約数の個数: 32

約数和(自身を含む): 2691786240

約数和(自身を除く): 671877365

約数列:

[1, 5, 23, 25, 43, 115, 125, 215, 575, 989, 1075, 2875, 4945, 5375, 16339, 24725, 81695, 123625, 375797, 408475, 702577, 1878985, 2042375, 3512885, 9394925, 16159271, 17564425, 46974625, 80796355, 87822125, 403981775, 2019908875]

約数ペア:

[(1, 2019908875), (5, 403981775), (23, 87822125), (25, 80796355), (43, 46974625), (115, 17564425), (125, 16159271), (215, 9394925), (575, 3512885), (989, 2042375), (1075, 1878985), (2875, 702577), (4945, 408475), (5375, 375797), (16339, 123625), (24725, 81695)]