25257920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4643}}^1$

素因数の和:4677

約数の個数: 56

約数和(自身を含む): 63697104

約数和(自身を除く): 38439184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 4643, 5440, 9286, 18572, 23215, 37144, 46430, 74288, 78931, 92860, 148576, 157862, 185720, 297152, 315724, 371440, 394655, 631448, 742880, 789310, 1262896, 1485760, 1578620, 2525792, 3157240, 5051584, 6314480, 12628960, 25257920]

約数ペア:

[(1, 25257920), (2, 12628960), (4, 6314480), (5, 5051584), (8, 3157240), (10, 2525792), (16, 1578620), (17, 1485760), (20, 1262896), (32, 789310), (34, 742880), (40, 631448), (64, 394655), (68, 371440), (80, 315724), (85, 297152), (136, 185720), (160, 157862), (170, 148576), (272, 92860), (320, 78931), (340, 74288), (544, 46430), (680, 37144), (1088, 23215), (1360, 18572), (2720, 9286), (4643, 5440)]