72019025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 103118400

約数和(自身を除く): 31099375

約数列:

[1, 5, 13, 19, 25, 65, 95, 107, 109, 247, 325, 475, 535, 545, 1235, 1391, 1417, 2033, 2071, 2675, 2725, 6175, 6955, 7085, 10165, 10355, 11663, 26429, 26923, 34775, 35425, 50825, 51775, 58315, 132145, 134615, 151619, 221597, 291575, 660725, 673075, 758095, 1107985, 2880761, 3790475, 5539925, 14403805, 72019025]

約数ペア:

[(1, 72019025), (5, 14403805), (13, 5539925), (19, 3790475), (25, 2880761), (65, 1107985), (95, 758095), (107, 673075), (109, 660725), (247, 291575), (325, 221597), (475, 151619), (535, 134615), (545, 132145), (1235, 58315), (1391, 51775), (1417, 50825), (2033, 35425), (2071, 34775), (2675, 26923), (2725, 26429), (6175, 11663), (6955, 10355), (7085, 10165)]