38991325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 16005155

約数列:

[1, 5, 19, 23, 25, 43, 83, 95, 115, 215, 415, 437, 475, 575, 817, 989, 1075, 1577, 1909, 2075, 2185, 3569, 4085, 4945, 7885, 9545, 10925, 17845, 18791, 20425, 24725, 36271, 39425, 47725, 67811, 82087, 89225, 93955, 181355, 339055, 410435, 469775, 906775, 1559653, 1695275, 2052175, 7798265, 38991325]

約数ペア:

[(1, 38991325), (5, 7798265), (19, 2052175), (23, 1695275), (25, 1559653), (43, 906775), (83, 469775), (95, 410435), (115, 339055), (215, 181355), (415, 93955), (437, 89225), (475, 82087), (575, 67811), (817, 47725), (989, 39425), (1075, 36271), (1577, 24725), (1909, 20425), (2075, 18791), (2185, 17845), (3569, 10925), (4085, 9545), (4945, 7885)]