8404880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9551}}^1$

素因数の和:9575

約数の個数: 40

約数和(自身を含む): 21320064

約数和(自身を除く): 12915184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9551, 19102, 38204, 47755, 76408, 95510, 105061, 152816, 191020, 210122, 382040, 420244, 525305, 764080, 840488, 1050610, 1680976, 2101220, 4202440, 8404880]

約数ペア:

[(1, 8404880), (2, 4202440), (4, 2101220), (5, 1680976), (8, 1050610), (10, 840488), (11, 764080), (16, 525305), (20, 420244), (22, 382040), (40, 210122), (44, 191020), (55, 152816), (80, 105061), (88, 95510), (110, 76408), (176, 47755), (220, 38204), (440, 19102), (880, 9551)]