1113402440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647327}}^1$

素因数の和:647381

約数の個数: 32

約数和(自身を含む): 2563418880

約数和(自身を除く): 1450016440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 647327, 1294654, 2589308, 3236635, 5178616, 6473270, 12946540, 25893080, 27835061, 55670122, 111340244, 139175305, 222680488, 278350610, 556701220, 1113402440]

約数ペア:

[(1, 1113402440), (2, 556701220), (4, 278350610), (5, 222680488), (8, 139175305), (10, 111340244), (20, 55670122), (40, 27835061), (43, 25893080), (86, 12946540), (172, 6473270), (215, 5178616), (344, 3236635), (430, 2589308), (860, 1294654), (1720, 647327)]