12728600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2100

約数の個数: 48

約数和(自身を含む): 30563520

約数和(自身を除く): 17834920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 2053, 3100, 4106, 6200, 8212, 10265, 16424, 20530, 41060, 51325, 63643, 82120, 102650, 127286, 205300, 254572, 318215, 410600, 509144, 636430, 1272860, 1591075, 2545720, 3182150, 6364300, 12728600]

約数ペア:

[(1, 12728600), (2, 6364300), (4, 3182150), (5, 2545720), (8, 1591075), (10, 1272860), (20, 636430), (25, 509144), (31, 410600), (40, 318215), (50, 254572), (62, 205300), (100, 127286), (124, 102650), (155, 82120), (200, 63643), (248, 51325), (310, 41060), (620, 20530), (775, 16424), (1240, 10265), (1550, 8212), (2053, 6200), (3100, 4106)]