201728840

素因数分解:

$2^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{2927}}^1$

素因数の和:4661

約数の個数: 32

約数和(自身を含む): 454308480

約数和(自身を除く): 252579640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1723, 2927, 3446, 5854, 6892, 8615, 11708, 13784, 14635, 17230, 23416, 29270, 34460, 58540, 68920, 117080, 5043221, 10086442, 20172884, 25216105, 40345768, 50432210, 100864420, 201728840]

約数ペア:

[(1, 201728840), (2, 100864420), (4, 50432210), (5, 40345768), (8, 25216105), (10, 20172884), (20, 10086442), (40, 5043221), (1723, 117080), (2927, 68920), (3446, 58540), (5854, 34460), (6892, 29270), (8615, 23416), (11708, 17230), (13784, 14635)]