68364400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13147}}^1$

素因数の和:13178

約数の個数: 60

約数和(自身を含む): 176893192

約数和(自身を除く): 108528792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 13147, 26294, 52588, 65735, 105176, 131470, 170911, 210352, 262940, 328675, 341822, 525880, 657350, 683644, 854555, 1051760, 1314700, 1367288, 1709110, 2629400, 2734576, 3418220, 4272775, 5258800, 6836440, 8545550, 13672880, 17091100, 34182200, 68364400]

約数ペア:

[(1, 68364400), (2, 34182200), (4, 17091100), (5, 13672880), (8, 8545550), (10, 6836440), (13, 5258800), (16, 4272775), (20, 3418220), (25, 2734576), (26, 2629400), (40, 1709110), (50, 1367288), (52, 1314700), (65, 1051760), (80, 854555), (100, 683644), (104, 657350), (130, 525880), (200, 341822), (208, 328675), (260, 262940), (325, 210352), (400, 170911), (520, 131470), (650, 105176), (1040, 65735), (1300, 52588), (2600, 26294), (5200, 13147)]