15720416

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{4507}}^1$

素因数の和:4626

約数の個数: 24

約数和(自身を含む): 31240440

約数和(自身を除く): 15520024

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1744, 3488, 4507, 9014, 18028, 36056, 72112, 144224, 491263, 982526, 1965052, 3930104, 7860208, 15720416]

約数ペア:

[(1, 15720416), (2, 7860208), (4, 3930104), (8, 1965052), (16, 982526), (32, 491263), (109, 144224), (218, 72112), (436, 36056), (872, 18028), (1744, 9014), (3488, 4507)]