40129340

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3989}}^1$

素因数の和:4501

約数の個数: 24

約数和(自身を含む): 84460320

約数和(自身を除く): 44330980

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 3989, 5030, 7978, 10060, 15956, 19945, 39890, 79780, 2006467, 4012934, 8025868, 10032335, 20064670, 40129340]

約数ペア:

[(1, 40129340), (2, 20064670), (4, 10032335), (5, 8025868), (10, 4012934), (20, 2006467), (503, 79780), (1006, 39890), (2012, 19945), (2515, 15956), (3989, 10060), (5030, 7978)]