12423820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 27165600

約数和(自身を除く): 14741780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 139, 164, 205, 218, 278, 410, 436, 545, 556, 695, 820, 1090, 1390, 2180, 2780, 4469, 5699, 8938, 11398, 15151, 17876, 22345, 22796, 28495, 30302, 44690, 56990, 60604, 75755, 89380, 113980, 151510, 303020, 621191, 1242382, 2484764, 3105955, 6211910, 12423820]

約数ペア:

[(1, 12423820), (2, 6211910), (4, 3105955), (5, 2484764), (10, 1242382), (20, 621191), (41, 303020), (82, 151510), (109, 113980), (139, 89380), (164, 75755), (205, 60604), (218, 56990), (278, 44690), (410, 30302), (436, 28495), (545, 22796), (556, 22345), (695, 17876), (820, 15151), (1090, 11398), (1390, 8938), (2180, 5699), (2780, 4469)]