2425640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{8663}}^1$

素因数の和:8681

約数の個数: 32

約数和(自身を含む): 6238080

約数和(自身を除く): 3812440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 8663, 17326, 34652, 43315, 60641, 69304, 86630, 121282, 173260, 242564, 303205, 346520, 485128, 606410, 1212820, 2425640]

約数ペア:

[(1, 2425640), (2, 1212820), (4, 606410), (5, 485128), (7, 346520), (8, 303205), (10, 242564), (14, 173260), (20, 121282), (28, 86630), (35, 69304), (40, 60641), (56, 43315), (70, 34652), (140, 17326), (280, 8663)]