12416840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5857}}^1$

素因数の和:5921

約数の個数: 32

約数和(自身を含む): 28469880

約数和(自身を除く): 16053040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 5857, 11714, 23428, 29285, 46856, 58570, 117140, 234280, 310421, 620842, 1241684, 1552105, 2483368, 3104210, 6208420, 12416840]

約数ペア:

[(1, 12416840), (2, 6208420), (4, 3104210), (5, 2483368), (8, 1552105), (10, 1241684), (20, 620842), (40, 310421), (53, 234280), (106, 117140), (212, 58570), (265, 46856), (424, 29285), (530, 23428), (1060, 11714), (2120, 5857)]