12842600

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 30122700

約数和(自身を除く): 17280100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 409, 628, 785, 818, 1256, 1570, 1636, 2045, 3140, 3272, 3925, 4090, 6280, 7850, 8180, 10225, 15700, 16360, 20450, 31400, 40900, 64213, 81800, 128426, 256852, 321065, 513704, 642130, 1284260, 1605325, 2568520, 3210650, 6421300, 12842600]

約数ペア:

[(1, 12842600), (2, 6421300), (4, 3210650), (5, 2568520), (8, 1605325), (10, 1284260), (20, 642130), (25, 513704), (40, 321065), (50, 256852), (100, 128426), (157, 81800), (200, 64213), (314, 40900), (409, 31400), (628, 20450), (785, 16360), (818, 15700), (1256, 10225), (1570, 8180), (1636, 7850), (2045, 6280), (3140, 4090), (3272, 3925)]