28865780

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1741}}^1$

素因数の和:2579

約数の個数: 24

約数和(自身を含む): 60726120

約数和(自身を除く): 31860340

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 1741, 3316, 3482, 4145, 6964, 8290, 8705, 16580, 17410, 34820, 1443289, 2886578, 5773156, 7216445, 14432890, 28865780]

約数ペア:

[(1, 28865780), (2, 14432890), (4, 7216445), (5, 5773156), (10, 2886578), (20, 1443289), (829, 34820), (1658, 17410), (1741, 16580), (3316, 8705), (3482, 8290), (4145, 6964)]