12569840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2213}}^1$

素因数の和:2297

約数の個数: 40

約数和(自身を含む): 29649888

約数和(自身を除く): 17080048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2213, 2840, 4426, 5680, 8852, 11065, 17704, 22130, 35408, 44260, 88520, 157123, 177040, 314246, 628492, 785615, 1256984, 1571230, 2513968, 3142460, 6284920, 12569840]

約数ペア:

[(1, 12569840), (2, 6284920), (4, 3142460), (5, 2513968), (8, 1571230), (10, 1256984), (16, 785615), (20, 628492), (40, 314246), (71, 177040), (80, 157123), (142, 88520), (284, 44260), (355, 35408), (568, 22130), (710, 17704), (1136, 11065), (1420, 8852), (2213, 5680), (2840, 4426)]