38780875

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 60383232

約数和(自身を除く): 21602357

約数列:

[1, 5, 7, 23, 25, 35, 41, 47, 115, 125, 161, 175, 205, 235, 287, 329, 575, 805, 875, 943, 1025, 1081, 1175, 1435, 1645, 1927, 2875, 4025, 4715, 5125, 5405, 5875, 6601, 7175, 7567, 8225, 9635, 13489, 20125, 23575, 27025, 33005, 35875, 37835, 41125, 44321, 48175, 67445, 117875, 135125, 165025, 189175, 221605, 240875, 310247, 337225, 825125, 945875, 1108025, 1551235, 1686125, 5540125, 7756175, 38780875]

約数ペア:

[(1, 38780875), (5, 7756175), (7, 5540125), (23, 1686125), (25, 1551235), (35, 1108025), (41, 945875), (47, 825125), (115, 337225), (125, 310247), (161, 240875), (175, 221605), (205, 189175), (235, 165025), (287, 135125), (329, 117875), (575, 67445), (805, 48175), (875, 44321), (943, 41125), (1025, 37835), (1081, 35875), (1175, 33005), (1435, 27025), (1645, 23575), (1927, 20125), (2875, 13489), (4025, 9635), (4715, 8225), (5125, 7567), (5405, 7175), (5875, 6601)]