8387540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 20302464

約数和(自身を除く): 11914924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 331, 362, 662, 724, 905, 1267, 1324, 1655, 1810, 2317, 2534, 3310, 3620, 4634, 5068, 6335, 6620, 9268, 11585, 12670, 23170, 25340, 46340, 59911, 119822, 239644, 299555, 419377, 599110, 838754, 1198220, 1677508, 2096885, 4193770, 8387540]

約数ペア:

[(1, 8387540), (2, 4193770), (4, 2096885), (5, 1677508), (7, 1198220), (10, 838754), (14, 599110), (20, 419377), (28, 299555), (35, 239644), (70, 119822), (140, 59911), (181, 46340), (331, 25340), (362, 23170), (662, 12670), (724, 11585), (905, 9268), (1267, 6620), (1324, 6335), (1655, 5068), (1810, 4634), (2317, 3620), (2534, 3310)]