29880860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16787}}^1$

素因数の和:16885

約数の個数: 24

約数和(自身を含む): 63458640

約数和(自身を除く): 33577780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16787, 33574, 67148, 83935, 167870, 335740, 1494043, 2988086, 5976172, 7470215, 14940430, 29880860]

約数ペア:

[(1, 29880860), (2, 14940430), (4, 7470215), (5, 5976172), (10, 2988086), (20, 1494043), (89, 335740), (178, 167870), (356, 83935), (445, 67148), (890, 33574), (1780, 16787)]