39331280

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1913}}^1$

素因数の和:2183

約数の個数: 40

約数和(自身を含む): 91849032

約数和(自身を除く): 52517752

約数列:

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

約数ペア:

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