12215600

素因数分解:

$2^4\times 5^2\times {\mathrm{30539}}^1$

素因数の和:30557

約数の個数: 30

約数和(自身を含む): 29348940

約数和(自身を除く): 17133340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 30539, 61078, 122156, 152695, 244312, 305390, 488624, 610780, 763475, 1221560, 1526950, 2443120, 3053900, 6107800, 12215600]

約数ペア:

[(1, 12215600), (2, 6107800), (4, 3053900), (5, 2443120), (8, 1526950), (10, 1221560), (16, 763475), (20, 610780), (25, 488624), (40, 305390), (50, 244312), (80, 152695), (100, 122156), (200, 61078), (400, 30539)]