89450120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28307}}^1$

素因数の和:28397

約数の個数: 32

約数和(自身を含む): 203817600

約数和(自身を除く): 114367480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28307, 56614, 113228, 141535, 226456, 283070, 566140, 1132280, 2236253, 4472506, 8945012, 11181265, 17890024, 22362530, 44725060, 89450120]

約数ペア:

[(1, 89450120), (2, 44725060), (4, 22362530), (5, 17890024), (8, 11181265), (10, 8945012), (20, 4472506), (40, 2236253), (79, 1132280), (158, 566140), (316, 283070), (395, 226456), (632, 141535), (790, 113228), (1580, 56614), (3160, 28307)]