81023240

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{4027}}^1$

素因数の和:4541

約数の個数: 32

約数和(自身を含む): 182710080

約数和(自身を除く): 101686840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 4027, 5030, 8054, 10060, 16108, 20120, 20135, 32216, 40270, 80540, 161080, 2025581, 4051162, 8102324, 10127905, 16204648, 20255810, 40511620, 81023240]

約数ペア:

[(1, 81023240), (2, 40511620), (4, 20255810), (5, 16204648), (8, 10127905), (10, 8102324), (20, 4051162), (40, 2025581), (503, 161080), (1006, 80540), (2012, 40270), (2515, 32216), (4024, 20135), (4027, 20120), (5030, 16108), (8054, 10060)]