202189520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{194413}}^1$

素因数の和:194439

約数の個数: 40

約数和(自身を含む): 506254056

約数和(自身を除く): 304064536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 194413, 388826, 777652, 972065, 1555304, 1944130, 2527369, 3110608, 3888260, 5054738, 7776520, 10109476, 12636845, 15553040, 20218952, 25273690, 40437904, 50547380, 101094760, 202189520]

約数ペア:

[(1, 202189520), (2, 101094760), (4, 50547380), (5, 40437904), (8, 25273690), (10, 20218952), (13, 15553040), (16, 12636845), (20, 10109476), (26, 7776520), (40, 5054738), (52, 3888260), (65, 3110608), (80, 2527369), (104, 1944130), (130, 1555304), (208, 972065), (260, 777652), (520, 388826), (1040, 194413)]