78662560

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1913}}^1$

素因数の和:2185

約数の個数: 48

約数和(自身を含む): 186660936

約数和(自身を除く): 107998376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 1913, 2056, 2570, 3826, 4112, 5140, 7652, 8224, 9565, 10280, 15304, 19130, 20560, 30608, 38260, 41120, 61216, 76520, 153040, 306080, 491641, 983282, 1966564, 2458205, 3933128, 4916410, 7866256, 9832820, 15732512, 19665640, 39331280, 78662560]

約数ペア:

[(1, 78662560), (2, 39331280), (4, 19665640), (5, 15732512), (8, 9832820), (10, 7866256), (16, 4916410), (20, 3933128), (32, 2458205), (40, 1966564), (80, 983282), (160, 491641), (257, 306080), (514, 153040), (1028, 76520), (1285, 61216), (1913, 41120), (2056, 38260), (2570, 30608), (3826, 20560), (4112, 19130), (5140, 15304), (7652, 10280), (8224, 9565)]