25072775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 13924729

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 103, 107, 175, 325, 455, 515, 535, 721, 749, 1339, 1391, 2275, 2575, 2675, 3605, 3745, 6695, 6955, 9373, 9737, 11021, 18025, 18725, 33475, 34775, 46865, 48685, 55105, 77147, 143273, 234325, 243425, 275525, 385735, 716365, 1002911, 1928675, 3581825, 5014555, 25072775]

約数ペア:

[(1, 25072775), (5, 5014555), (7, 3581825), (13, 1928675), (25, 1002911), (35, 716365), (65, 385735), (91, 275525), (103, 243425), (107, 234325), (175, 143273), (325, 77147), (455, 55105), (515, 48685), (535, 46865), (721, 34775), (749, 33475), (1339, 18725), (1391, 18025), (2275, 11021), (2575, 9737), (2675, 9373), (3605, 6955), (3745, 6695)]