2545720

素因数分解:

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

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 5915520

約数和(自身を除く): 3369800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2053, 4106, 8212, 10265, 16424, 20530, 41060, 63643, 82120, 127286, 254572, 318215, 509144, 636430, 1272860, 2545720]

約数ペア:

[(1, 2545720), (2, 1272860), (4, 636430), (5, 509144), (8, 318215), (10, 254572), (20, 127286), (31, 82120), (40, 63643), (62, 41060), (124, 20530), (155, 16424), (248, 10265), (310, 8212), (620, 4106), (1240, 2053)]