28415740

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1867}}^1$

素因数の和:2637

約数の個数: 24

約数和(自身を含む): 59783472

約数和(自身を除く): 31367732

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 1867, 3044, 3734, 3805, 7468, 7610, 9335, 15220, 18670, 37340, 1420787, 2841574, 5683148, 7103935, 14207870, 28415740]

約数ペア:

[(1, 28415740), (2, 14207870), (4, 7103935), (5, 5683148), (10, 2841574), (20, 1420787), (761, 37340), (1522, 18670), (1867, 15220), (3044, 9335), (3734, 7610), (3805, 7468)]