78314720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44497}}^1$

素因数の和:44523

約数の個数: 48

約数和(自身を含む): 201842928

約数和(自身を除く): 123528208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 44497, 88994, 177988, 222485, 355976, 444970, 489467, 711952, 889940, 978934, 1423904, 1779880, 1957868, 2447335, 3559760, 3915736, 4894670, 7119520, 7831472, 9789340, 15662944, 19578680, 39157360, 78314720]

約数ペア:

[(1, 78314720), (2, 39157360), (4, 19578680), (5, 15662944), (8, 9789340), (10, 7831472), (11, 7119520), (16, 4894670), (20, 3915736), (22, 3559760), (32, 2447335), (40, 1957868), (44, 1779880), (55, 1423904), (80, 978934), (88, 889940), (110, 711952), (160, 489467), (176, 444970), (220, 355976), (352, 222485), (440, 177988), (880, 88994), (1760, 44497)]