28182620

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5483}}^1$

素因数の和:5749

約数の個数: 24

約数和(自身を含む): 59424624

約数和(自身を除く): 31242004

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 5483, 10966, 21932, 27415, 54830, 109660, 1409131, 2818262, 5636524, 7045655, 14091310, 28182620]

約数ペア:

[(1, 28182620), (2, 14091310), (4, 7045655), (5, 5636524), (10, 2818262), (20, 1409131), (257, 109660), (514, 54830), (1028, 27415), (1285, 21932), (2570, 10966), (5140, 5483)]