12795500

素因数分解:

$2^2\times 5^3\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 28295904

約数和(自身を除く): 15500404

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 157, 163, 250, 314, 326, 500, 628, 652, 785, 815, 1570, 1630, 3140, 3260, 3925, 4075, 7850, 8150, 15700, 16300, 19625, 20375, 25591, 39250, 40750, 51182, 78500, 81500, 102364, 127955, 255910, 511820, 639775, 1279550, 2559100, 3198875, 6397750, 12795500]

約数ペア:

[(1, 12795500), (2, 6397750), (4, 3198875), (5, 2559100), (10, 1279550), (20, 639775), (25, 511820), (50, 255910), (100, 127955), (125, 102364), (157, 81500), (163, 78500), (250, 51182), (314, 40750), (326, 39250), (500, 25591), (628, 20375), (652, 19625), (785, 16300), (815, 15700), (1570, 8150), (1630, 7850), (3140, 4075), (3260, 3925)]