65425640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233663}}^1$

素因数の和:233681

約数の個数: 32

約数和(自身を含む): 168238080

約数和(自身を除く): 102812440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 233663, 467326, 934652, 1168315, 1635641, 1869304, 2336630, 3271282, 4673260, 6542564, 8178205, 9346520, 13085128, 16356410, 32712820, 65425640]

約数ペア:

[(1, 65425640), (2, 32712820), (4, 16356410), (5, 13085128), (7, 9346520), (8, 8178205), (10, 6542564), (14, 4673260), (20, 3271282), (28, 2336630), (35, 1869304), (40, 1635641), (56, 1168315), (70, 934652), (140, 467326), (280, 233663)]