8123306740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1\times {\mathrm{25849}}^1$

素因数の和:26704

約数の個数: 48

約数和(自身を含む): 17979192000

約数和(自身を除く): 9855885260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 827, 1654, 3308, 4135, 8270, 15713, 16540, 25849, 31426, 51698, 62852, 78565, 103396, 129245, 157130, 258490, 314260, 491131, 516980, 982262, 1964524, 2455655, 4911310, 9822620, 21377123, 42754246, 85508492, 106885615, 213771230, 406165337, 427542460, 812330674, 1624661348, 2030826685, 4061653370, 8123306740]

約数ペア:

[(1, 8123306740), (2, 4061653370), (4, 2030826685), (5, 1624661348), (10, 812330674), (19, 427542460), (20, 406165337), (38, 213771230), (76, 106885615), (95, 85508492), (190, 42754246), (380, 21377123), (827, 9822620), (1654, 4911310), (3308, 2455655), (4135, 1964524), (8270, 982262), (15713, 516980), (16540, 491131), (25849, 314260), (31426, 258490), (51698, 157130), (62852, 129245), (78565, 103396)]