126851320

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14221}}^1$

素因数の和:14455

約数の個数: 32

約数和(自身を含む): 286715520

約数和(自身を除く): 159864200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 14221, 28442, 56884, 71105, 113768, 142210, 284420, 568840, 3171283, 6342566, 12685132, 15856415, 25370264, 31712830, 63425660, 126851320]

約数ペア:

[(1, 126851320), (2, 63425660), (4, 31712830), (5, 25370264), (8, 15856415), (10, 12685132), (20, 6342566), (40, 3171283), (223, 568840), (446, 284420), (892, 142210), (1115, 113768), (1784, 71105), (2230, 56884), (4460, 28442), (8920, 14221)]