28924880

素因数分解:

$2^4\times 5^1\times {\mathrm{361561}}^1$

素因数の和:361574

約数の個数: 20

約数和(自身を含む): 67250532

約数和(自身を除く): 38325652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 361561, 723122, 1446244, 1807805, 2892488, 3615610, 5784976, 7231220, 14462440, 28924880]

約数ペア:

[(1, 28924880), (2, 14462440), (4, 7231220), (5, 5784976), (8, 3615610), (10, 2892488), (16, 1807805), (20, 1446244), (40, 723122), (80, 361561)]