102564440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21191}}^1$

素因数の和:21224

約数の個数: 48

約数和(自身を含む): 253668240

約数和(自身を除く): 151103800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 21191, 42382, 84764, 105955, 169528, 211910, 233101, 423820, 466202, 847640, 932404, 1165505, 1864808, 2331010, 2564111, 4662020, 5128222, 9324040, 10256444, 12820555, 20512888, 25641110, 51282220, 102564440]

約数ペア:

[(1, 102564440), (2, 51282220), (4, 25641110), (5, 20512888), (8, 12820555), (10, 10256444), (11, 9324040), (20, 5128222), (22, 4662020), (40, 2564111), (44, 2331010), (55, 1864808), (88, 1165505), (110, 932404), (121, 847640), (220, 466202), (242, 423820), (440, 233101), (484, 211910), (605, 169528), (968, 105955), (1210, 84764), (2420, 42382), (4840, 21191)]