6400840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9413}}^1$

素因数の和:9441

約数の個数: 32

約数和(自身を含む): 15250680

約数和(自身を除く): 8849840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 9413, 18826, 37652, 47065, 75304, 94130, 160021, 188260, 320042, 376520, 640084, 800105, 1280168, 1600210, 3200420, 6400840]

約数ペア:

[(1, 6400840), (2, 3200420), (4, 1600210), (5, 1280168), (8, 800105), (10, 640084), (17, 376520), (20, 320042), (34, 188260), (40, 160021), (68, 94130), (85, 75304), (136, 47065), (170, 37652), (340, 18826), (680, 9413)]