28742960

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6779}}^1$

素因数の和:6845

約数の個数: 40

約数和(自身を含む): 68098320

約数和(自身を除く): 39355360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 6779, 13558, 27116, 33895, 54232, 67790, 108464, 135580, 271160, 359287, 542320, 718574, 1437148, 1796435, 2874296, 3592870, 5748592, 7185740, 14371480, 28742960]

約数ペア:

[(1, 28742960), (2, 14371480), (4, 7185740), (5, 5748592), (8, 3592870), (10, 2874296), (16, 1796435), (20, 1437148), (40, 718574), (53, 542320), (80, 359287), (106, 271160), (212, 135580), (265, 108464), (424, 67790), (530, 54232), (848, 33895), (1060, 27116), (2120, 13558), (4240, 6779)]