18366918520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1\times {\mathrm{5011}}^1$

素因数の和:7196

約数の個数: 64

約数和(自身を含む): 42314912640

約数和(自身を除く): 23947994120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2131, 4262, 5011, 8524, 10022, 10655, 17048, 20044, 21310, 25055, 40088, 42620, 50110, 85240, 91633, 100220, 183266, 200440, 215473, 366532, 430946, 458165, 733064, 861892, 916330, 1077365, 1723784, 1832660, 2154730, 3665320, 4309460, 8618920, 10678441, 21356882, 42713764, 53392205, 85427528, 106784410, 213568820, 427137640, 459172963, 918345926, 1836691852, 2295864815, 3673383704, 4591729630, 9183459260, 18366918520]

約数ペア:

[(1, 18366918520), (2, 9183459260), (4, 4591729630), (5, 3673383704), (8, 2295864815), (10, 1836691852), (20, 918345926), (40, 459172963), (43, 427137640), (86, 213568820), (172, 106784410), (215, 85427528), (344, 53392205), (430, 42713764), (860, 21356882), (1720, 10678441), (2131, 8618920), (4262, 4309460), (5011, 3665320), (8524, 2154730), (10022, 1832660), (10655, 1723784), (17048, 1077365), (20044, 916330), (21310, 861892), (25055, 733064), (40088, 458165), (42620, 430946), (50110, 366532), (85240, 215473), (91633, 200440), (100220, 183266)]