64918100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49937}}^1$

素因数の和:49964

約数の個数: 36

約数和(自身を含む): 151711644

約数和(自身を除く): 86793544

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 49937, 99874, 199748, 249685, 499370, 649181, 998740, 1248425, 1298362, 2496850, 2596724, 3245905, 4993700, 6491810, 12983620, 16229525, 32459050, 64918100]

約数ペア:

[(1, 64918100), (2, 32459050), (4, 16229525), (5, 12983620), (10, 6491810), (13, 4993700), (20, 3245905), (25, 2596724), (26, 2496850), (50, 1298362), (52, 1248425), (65, 998740), (100, 649181), (130, 499370), (260, 249685), (325, 199748), (650, 99874), (1300, 49937)]