1619840

素因数分解:

$2^7\times 5^1\times {\mathrm{2531}}^1$

素因数の和:2550

約数の個数: 32

約数和(自身を含む): 3873960

約数和(自身を除く): 2254120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2531, 5062, 10124, 12655, 20248, 25310, 40496, 50620, 80992, 101240, 161984, 202480, 323968, 404960, 809920, 1619840]

約数ペア:

[(1, 1619840), (2, 809920), (4, 404960), (5, 323968), (8, 202480), (10, 161984), (16, 101240), (20, 80992), (32, 50620), (40, 40496), (64, 25310), (80, 20248), (128, 12655), (160, 10124), (320, 5062), (640, 2531)]