8407400

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 19760640

約数和(自身を除く): 11353240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 331, 508, 635, 662, 1016, 1270, 1324, 1655, 2540, 2648, 3175, 3310, 5080, 6350, 6620, 8275, 12700, 13240, 16550, 25400, 33100, 42037, 66200, 84074, 168148, 210185, 336296, 420370, 840740, 1050925, 1681480, 2101850, 4203700, 8407400]

約数ペア:

[(1, 8407400), (2, 4203700), (4, 2101850), (5, 1681480), (8, 1050925), (10, 840740), (20, 420370), (25, 336296), (40, 210185), (50, 168148), (100, 84074), (127, 66200), (200, 42037), (254, 33100), (331, 25400), (508, 16550), (635, 13240), (662, 12700), (1016, 8275), (1270, 6620), (1324, 6350), (1655, 5080), (2540, 3310), (2648, 3175)]