1286911460

素因数分解:

$2^2\times 5^1\times {\mathrm{6607}}^1\times {\mathrm{9739}}^1$

素因数の和:16355

約数の個数: 24

約数和(自身を含む): 2703200640

約数和(自身を除く): 1416289180

約数列:

[1, 2, 4, 5, 10, 20, 6607, 9739, 13214, 19478, 26428, 33035, 38956, 48695, 66070, 97390, 132140, 194780, 64345573, 128691146, 257382292, 321727865, 643455730, 1286911460]

約数ペア:

[(1, 1286911460), (2, 643455730), (4, 321727865), (5, 257382292), (10, 128691146), (20, 64345573), (6607, 194780), (9739, 132140), (13214, 97390), (19478, 66070), (26428, 48695), (33035, 38956)]