87984760

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{4373}}^1$

素因数の和:4887

約数の個数: 32

約数和(自身を含む): 198404640

約数和(自身を除く): 110419880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 4373, 5030, 8746, 10060, 17492, 20120, 21865, 34984, 43730, 87460, 174920, 2199619, 4399238, 8798476, 10998095, 17596952, 21996190, 43992380, 87984760]

約数ペア:

[(1, 87984760), (2, 43992380), (4, 21996190), (5, 17596952), (8, 10998095), (10, 8798476), (20, 4399238), (40, 2199619), (503, 174920), (1006, 87460), (2012, 43730), (2515, 34984), (4024, 21865), (4373, 20120), (5030, 17492), (8746, 10060)]