555996880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{161627}}^1$

素因数の和:161683

約数の個数: 40

約数和(自身を含む): 1322763552

約数和(自身を除く): 766766672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 161627, 323254, 646508, 808135, 1293016, 1616270, 2586032, 3232540, 6465080, 6949961, 12930160, 13899922, 27799844, 34749805, 55599688, 69499610, 111199376, 138999220, 277998440, 555996880]

約数ペア:

[(1, 555996880), (2, 277998440), (4, 138999220), (5, 111199376), (8, 69499610), (10, 55599688), (16, 34749805), (20, 27799844), (40, 13899922), (43, 12930160), (80, 6949961), (86, 6465080), (172, 3232540), (215, 2586032), (344, 1616270), (430, 1293016), (688, 808135), (860, 646508), (1720, 323254), (3440, 161627)]