47440280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28927}}^1$

素因数の和:28979

約数の個数: 32

約数和(自身を含む): 109347840

約数和(自身を除く): 61907560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 28927, 57854, 115708, 144635, 231416, 289270, 578540, 1157080, 1186007, 2372014, 4744028, 5930035, 9488056, 11860070, 23720140, 47440280]

約数ペア:

[(1, 47440280), (2, 23720140), (4, 11860070), (5, 9488056), (8, 5930035), (10, 4744028), (20, 2372014), (40, 1186007), (41, 1157080), (82, 578540), (164, 289270), (205, 231416), (328, 144635), (410, 115708), (820, 57854), (1640, 28927)]