12095780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 27048000

約数和(自身を除く): 14952220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 229, 278, 380, 458, 556, 695, 916, 1145, 1390, 2290, 2641, 2780, 4351, 4580, 5282, 8702, 10564, 13205, 17404, 21755, 26410, 31831, 43510, 52820, 63662, 87020, 127324, 159155, 318310, 604789, 636620, 1209578, 2419156, 3023945, 6047890, 12095780]

約数ペア:

[(1, 12095780), (2, 6047890), (4, 3023945), (5, 2419156), (10, 1209578), (19, 636620), (20, 604789), (38, 318310), (76, 159155), (95, 127324), (139, 87020), (190, 63662), (229, 52820), (278, 43510), (380, 31831), (458, 26410), (556, 21755), (695, 17404), (916, 13205), (1145, 10564), (1390, 8702), (2290, 5282), (2641, 4580), (2780, 4351)]