201178420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{89017}}^1$

素因数の和:89139

約数の個数: 24

約数和(自身を含む): 426218184

約数和(自身を除く): 225039764

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 89017, 178034, 356068, 445085, 890170, 1780340, 10058921, 20117842, 40235684, 50294605, 100589210, 201178420]

約数ペア:

[(1, 201178420), (2, 100589210), (4, 50294605), (5, 40235684), (10, 20117842), (20, 10058921), (113, 1780340), (226, 890170), (452, 445085), (565, 356068), (1130, 178034), (2260, 89017)]