4947020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 11430720

約数和(自身を除く): 6483700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 359, 530, 689, 718, 1060, 1378, 1436, 1795, 2756, 3445, 3590, 4667, 6890, 7180, 9334, 13780, 18668, 19027, 23335, 38054, 46670, 76108, 93340, 95135, 190270, 247351, 380540, 494702, 989404, 1236755, 2473510, 4947020]

約数ペア:

[(1, 4947020), (2, 2473510), (4, 1236755), (5, 989404), (10, 494702), (13, 380540), (20, 247351), (26, 190270), (52, 95135), (53, 93340), (65, 76108), (106, 46670), (130, 38054), (212, 23335), (260, 19027), (265, 18668), (359, 13780), (530, 9334), (689, 7180), (718, 6890), (1060, 4667), (1378, 3590), (1436, 3445), (1795, 2756)]