165716420

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{34381}}^1$

素因数の和:34631

約数の個数: 24

約数和(自身を含む): 349458648

約数和(自身を除く): 183742228

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 34381, 68762, 137524, 171905, 343810, 687620, 8285821, 16571642, 33143284, 41429105, 82858210, 165716420]

約数ペア:

[(1, 165716420), (2, 82858210), (4, 41429105), (5, 33143284), (10, 16571642), (20, 8285821), (241, 687620), (482, 343810), (964, 171905), (1205, 137524), (2410, 68762), (4820, 34381)]