2640200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 6301680

約数和(自身を除く): 3661480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 307, 344, 430, 614, 860, 1075, 1228, 1535, 1720, 2150, 2456, 3070, 4300, 6140, 7675, 8600, 12280, 13201, 15350, 26402, 30700, 52804, 61400, 66005, 105608, 132010, 264020, 330025, 528040, 660050, 1320100, 2640200]

約数ペア:

[(1, 2640200), (2, 1320100), (4, 660050), (5, 528040), (8, 330025), (10, 264020), (20, 132010), (25, 105608), (40, 66005), (43, 61400), (50, 52804), (86, 30700), (100, 26402), (172, 15350), (200, 13201), (215, 12280), (307, 8600), (344, 7675), (430, 6140), (614, 4300), (860, 3070), (1075, 2456), (1228, 2150), (1535, 1720)]