2011567420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1\times {\mathrm{4877}}^1$

素因数の和:5430

約数の個数: 48

約数和(自身を含む): 4336815168

約数和(自身を除く): 2325247748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 503, 820, 1006, 2012, 2515, 4877, 5030, 9754, 10060, 19508, 20623, 24385, 41246, 48770, 82492, 97540, 103115, 199957, 206230, 399914, 412460, 799828, 999785, 1999570, 2453131, 3999140, 4906262, 9812524, 12265655, 24531310, 49062620, 100578371, 201156742, 402313484, 502891855, 1005783710, 2011567420]

約数ペア:

[(1, 2011567420), (2, 1005783710), (4, 502891855), (5, 402313484), (10, 201156742), (20, 100578371), (41, 49062620), (82, 24531310), (164, 12265655), (205, 9812524), (410, 4906262), (503, 3999140), (820, 2453131), (1006, 1999570), (2012, 999785), (2515, 799828), (4877, 412460), (5030, 399914), (9754, 206230), (10060, 199957), (19508, 103115), (20623, 97540), (24385, 82492), (41246, 48770)]