8639180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 20030976

約数和(自身を除く): 11391796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 367, 428, 535, 734, 1070, 1177, 1468, 1835, 2140, 2354, 3670, 4037, 4708, 5885, 7340, 8074, 11770, 16148, 20185, 23540, 39269, 40370, 78538, 80740, 157076, 196345, 392690, 431959, 785380, 863918, 1727836, 2159795, 4319590, 8639180]

約数ペア:

[(1, 8639180), (2, 4319590), (4, 2159795), (5, 1727836), (10, 863918), (11, 785380), (20, 431959), (22, 392690), (44, 196345), (55, 157076), (107, 80740), (110, 78538), (214, 40370), (220, 39269), (367, 23540), (428, 20185), (535, 16148), (734, 11770), (1070, 8074), (1177, 7340), (1468, 5885), (1835, 4708), (2140, 4037), (2354, 3670)]