27800080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4513}}^1$

素因数の和:4544

約数の個数: 80

約数和(自身を含む): 80601984

約数和(自身を除く): 52801904

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 4513, 6160, 9026, 18052, 22565, 31591, 36104, 45130, 49643, 63182, 72208, 90260, 99286, 126364, 157955, 180520, 198572, 248215, 252728, 315910, 347501, 361040, 397144, 496430, 505456, 631820, 695002, 794288, 992860, 1263640, 1390004, 1737505, 1985720, 2527280, 2780008, 3475010, 3971440, 5560016, 6950020, 13900040, 27800080]

約数ペア:

[(1, 27800080), (2, 13900040), (4, 6950020), (5, 5560016), (7, 3971440), (8, 3475010), (10, 2780008), (11, 2527280), (14, 1985720), (16, 1737505), (20, 1390004), (22, 1263640), (28, 992860), (35, 794288), (40, 695002), (44, 631820), (55, 505456), (56, 496430), (70, 397144), (77, 361040), (80, 347501), (88, 315910), (110, 252728), (112, 248215), (140, 198572), (154, 180520), (176, 157955), (220, 126364), (280, 99286), (308, 90260), (385, 72208), (440, 63182), (560, 49643), (616, 45130), (770, 36104), (880, 31591), (1232, 22565), (1540, 18052), (3080, 9026), (4513, 6160)]