2101625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 32

約数和(自身を含む): 2965248

約数和(自身を除く): 863623

約数列:

[1, 5, 17, 23, 25, 43, 85, 115, 125, 215, 391, 425, 575, 731, 989, 1075, 1955, 2125, 2875, 3655, 4945, 5375, 9775, 16813, 18275, 24725, 48875, 84065, 91375, 123625, 420325, 2101625]

約数ペア:

[(1, 2101625), (5, 420325), (17, 123625), (23, 91375), (25, 84065), (43, 48875), (85, 24725), (115, 18275), (125, 16813), (215, 9775), (391, 5375), (425, 4945), (575, 3655), (731, 2875), (989, 2125), (1075, 1955)]