2145520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2063}}^1$

素因数の和:2089

約数の個数: 40

約数和(自身を含む): 5374656

約数和(自身を除く): 3229136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2063, 4126, 8252, 10315, 16504, 20630, 26819, 33008, 41260, 53638, 82520, 107276, 134095, 165040, 214552, 268190, 429104, 536380, 1072760, 2145520]

約数ペア:

[(1, 2145520), (2, 1072760), (4, 536380), (5, 429104), (8, 268190), (10, 214552), (13, 165040), (16, 134095), (20, 107276), (26, 82520), (40, 53638), (52, 41260), (65, 33008), (80, 26819), (104, 20630), (130, 16504), (208, 10315), (260, 8252), (520, 4126), (1040, 2063)]