15661280

素因数分解:

$2^5\times 5^1\times {\mathrm{97883}}^1$

素因数の和:97898

約数の個数: 24

約数和(自身を含む): 37000152

約数和(自身を除く): 21338872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 97883, 195766, 391532, 489415, 783064, 978830, 1566128, 1957660, 3132256, 3915320, 7830640, 15661280]

約数ペア:

[(1, 15661280), (2, 7830640), (4, 3915320), (5, 3132256), (8, 1957660), (10, 1566128), (16, 978830), (20, 783064), (32, 489415), (40, 391532), (80, 195766), (160, 97883)]