164401040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47791}}^1$

素因数の和:47847

約数の個数: 40

約数和(自身を含む): 391129728

約数和(自身を除く): 226728688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 47791, 95582, 191164, 238955, 382328, 477910, 764656, 955820, 1911640, 2055013, 3823280, 4110026, 8220052, 10275065, 16440104, 20550130, 32880208, 41100260, 82200520, 164401040]

約数ペア:

[(1, 164401040), (2, 82200520), (4, 41100260), (5, 32880208), (8, 20550130), (10, 16440104), (16, 10275065), (20, 8220052), (40, 4110026), (43, 3823280), (80, 2055013), (86, 1911640), (172, 955820), (215, 764656), (344, 477910), (430, 382328), (688, 238955), (860, 191164), (1720, 95582), (3440, 47791)]