4407780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5651}}^1$

素因数の和:5676

約数の個数: 48

約数和(自身を含む): 13293504

約数和(自身を除く): 8885724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 5651, 11302, 16953, 22604, 28255, 33906, 56510, 67812, 73463, 84765, 113020, 146926, 169530, 220389, 293852, 339060, 367315, 440778, 734630, 881556, 1101945, 1469260, 2203890, 4407780]

約数ペア:

[(1, 4407780), (2, 2203890), (3, 1469260), (4, 1101945), (5, 881556), (6, 734630), (10, 440778), (12, 367315), (13, 339060), (15, 293852), (20, 220389), (26, 169530), (30, 146926), (39, 113020), (52, 84765), (60, 73463), (65, 67812), (78, 56510), (130, 33906), (156, 28255), (195, 22604), (260, 16953), (390, 11302), (780, 5651)]