40240

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1$

素因数の和:516

約数の個数: 20

約数和(自身を含む): 93744

約数和(自身を除く): 53504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 2012, 2515, 4024, 5030, 8048, 10060, 20120, 40240]

約数ペア:

[(1, 40240), (2, 20120), (4, 10060), (5, 8048), (8, 5030), (10, 4024), (16, 2515), (20, 2012), (40, 1006), (80, 503)]