81496060

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{8101}}^1$

素因数の和:8613

約数の個数: 24

約数和(自身を含む): 171503136

約数和(自身を除く): 90007076

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 8101, 10060, 16202, 32404, 40505, 81010, 162020, 4074803, 8149606, 16299212, 20374015, 40748030, 81496060]

約数ペア:

[(1, 81496060), (2, 40748030), (4, 20374015), (5, 16299212), (10, 8149606), (20, 4074803), (503, 162020), (1006, 81010), (2012, 40505), (2515, 32404), (5030, 16202), (8101, 10060)]