54833440

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{881}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 130024440

約数和(自身を除く): 75191000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 881, 1556, 1762, 1945, 3112, 3524, 3890, 4405, 6224, 7048, 7780, 8810, 12448, 14096, 15560, 17620, 28192, 31120, 35240, 62240, 70480, 140960, 342709, 685418, 1370836, 1713545, 2741672, 3427090, 5483344, 6854180, 10966688, 13708360, 27416720, 54833440]

約数ペア:

[(1, 54833440), (2, 27416720), (4, 13708360), (5, 10966688), (8, 6854180), (10, 5483344), (16, 3427090), (20, 2741672), (32, 1713545), (40, 1370836), (80, 685418), (160, 342709), (389, 140960), (778, 70480), (881, 62240), (1556, 35240), (1762, 31120), (1945, 28192), (3112, 17620), (3524, 15560), (3890, 14096), (4405, 12448), (6224, 8810), (7048, 7780)]