66486500

素因数分解:

$2^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{1291}}^1$

素因数の和:1413

約数の個数: 48

約数和(自身を含む): 146729856

約数和(自身を除く): 80243356

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 125, 206, 250, 412, 500, 515, 1030, 1291, 2060, 2575, 2582, 5150, 5164, 6455, 10300, 12875, 12910, 25750, 25820, 32275, 51500, 64550, 129100, 132973, 161375, 265946, 322750, 531892, 645500, 664865, 1329730, 2659460, 3324325, 6648650, 13297300, 16621625, 33243250, 66486500]

約数ペア:

[(1, 66486500), (2, 33243250), (4, 16621625), (5, 13297300), (10, 6648650), (20, 3324325), (25, 2659460), (50, 1329730), (100, 664865), (103, 645500), (125, 531892), (206, 322750), (250, 265946), (412, 161375), (500, 132973), (515, 129100), (1030, 64550), (1291, 51500), (2060, 32275), (2575, 25820), (2582, 25750), (5150, 12910), (5164, 12875), (6455, 10300)]