64496900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49613}}^1$

素因数の和:49640

約数の個数: 36

約数和(自身を含む): 150727332

約数和(自身を除く): 86230432

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 49613, 99226, 198452, 248065, 496130, 644969, 992260, 1240325, 1289938, 2480650, 2579876, 3224845, 4961300, 6449690, 12899380, 16124225, 32248450, 64496900]

約数ペア:

[(1, 64496900), (2, 32248450), (4, 16124225), (5, 12899380), (10, 6449690), (13, 4961300), (20, 3224845), (25, 2579876), (26, 2480650), (50, 1289938), (52, 1240325), (65, 992260), (100, 644969), (130, 496130), (260, 248065), (325, 198452), (650, 99226), (1300, 49613)]