201688460

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{39239}}^1$

素因数の和:39505

約数の個数: 24

約数和(自身を含む): 425204640

約数和(自身を除く): 223516180

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 39239, 78478, 156956, 196195, 392390, 784780, 10084423, 20168846, 40337692, 50422115, 100844230, 201688460]

約数ペア:

[(1, 201688460), (2, 100844230), (4, 50422115), (5, 40337692), (10, 20168846), (20, 10084423), (257, 784780), (514, 392390), (1028, 196195), (1285, 156956), (2570, 78478), (5140, 39239)]