12126500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 26906880

約数和(自身を除く): 14780380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 307, 316, 395, 500, 614, 790, 1228, 1535, 1580, 1975, 3070, 3950, 6140, 7675, 7900, 9875, 15350, 19750, 24253, 30700, 38375, 39500, 48506, 76750, 97012, 121265, 153500, 242530, 485060, 606325, 1212650, 2425300, 3031625, 6063250, 12126500]

約数ペア:

[(1, 12126500), (2, 6063250), (4, 3031625), (5, 2425300), (10, 1212650), (20, 606325), (25, 485060), (50, 242530), (79, 153500), (100, 121265), (125, 97012), (158, 76750), (250, 48506), (307, 39500), (316, 38375), (395, 30700), (500, 24253), (614, 19750), (790, 15350), (1228, 9875), (1535, 7900), (1580, 7675), (1975, 6140), (3070, 3950)]