28582820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{204163}}^1$

素因数の和:204179

約数の個数: 24

約数和(自身を含む): 68599104

約数和(自身を除く): 40016284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 204163, 408326, 816652, 1020815, 1429141, 2041630, 2858282, 4083260, 5716564, 7145705, 14291410, 28582820]

約数ペア:

[(1, 28582820), (2, 14291410), (4, 7145705), (5, 5716564), (7, 4083260), (10, 2858282), (14, 2041630), (20, 1429141), (28, 1020815), (35, 816652), (70, 408326), (140, 204163)]