84865720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40031}}^1$

素因数の和:40095

約数の個数: 32

約数和(自身を含む): 194555520

約数和(自身を除く): 109689800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 40031, 80062, 160124, 200155, 320248, 400310, 800620, 1601240, 2121643, 4243286, 8486572, 10608215, 16973144, 21216430, 42432860, 84865720]

約数ペア:

[(1, 84865720), (2, 42432860), (4, 21216430), (5, 16973144), (8, 10608215), (10, 8486572), (20, 4243286), (40, 2121643), (53, 1601240), (106, 800620), (212, 400310), (265, 320248), (424, 200155), (530, 160124), (1060, 80062), (2120, 40031)]