87981280

素因数分解:

$2^5\times 5^1\times {\mathrm{549883}}^1$

素因数の和:549898

約数の個数: 24

約数和(自身を含む): 207856152

約数和(自身を除く): 119874872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 549883, 1099766, 2199532, 2749415, 4399064, 5498830, 8798128, 10997660, 17596256, 21995320, 43990640, 87981280]

約数ペア:

[(1, 87981280), (2, 43990640), (4, 21995320), (5, 17596256), (8, 10997660), (10, 8798128), (16, 5498830), (20, 4399064), (32, 2749415), (40, 2199532), (80, 1099766), (160, 549883)]