39930875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 19374085

約数列:

[1, 5, 17, 19, 23, 25, 43, 85, 95, 115, 125, 215, 323, 391, 425, 437, 475, 575, 731, 817, 989, 1075, 1615, 1955, 2125, 2185, 2375, 2875, 3655, 4085, 4945, 5375, 7429, 8075, 9775, 10925, 13889, 16813, 18275, 18791, 20425, 24725, 37145, 40375, 48875, 54625, 69445, 84065, 91375, 93955, 102125, 123625, 185725, 319447, 347225, 420325, 469775, 928625, 1597235, 1736125, 2101625, 2348875, 7986175, 39930875]

約数ペア:

[(1, 39930875), (5, 7986175), (17, 2348875), (19, 2101625), (23, 1736125), (25, 1597235), (43, 928625), (85, 469775), (95, 420325), (115, 347225), (125, 319447), (215, 185725), (323, 123625), (391, 102125), (425, 93955), (437, 91375), (475, 84065), (575, 69445), (731, 54625), (817, 48875), (989, 40375), (1075, 37145), (1615, 24725), (1955, 20425), (2125, 18791), (2185, 18275), (2375, 16813), (2875, 13889), (3655, 10925), (4085, 9775), (4945, 8075), (5375, 7429)]