28889870

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4507}}^1$

素因数の和:5155

約数の個数: 16

約数和(自身を含む): 52094448

約数和(自身を除く): 23204578

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 4507, 6410, 9014, 22535, 45070, 2888987, 5777974, 14444935, 28889870]

約数ペア:

[(1, 28889870), (2, 14444935), (5, 5777974), (10, 2888987), (641, 45070), (1282, 22535), (3205, 9014), (4507, 6410)]