79377320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2138

約数の個数: 64

約数和(自身を含む): 197121600

約数和(自身を除く): 117744280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 2027, 3560, 3916, 4054, 4895, 7832, 8108, 9790, 10135, 16216, 19580, 20270, 22297, 39160, 40540, 44594, 81080, 89188, 111485, 178376, 180403, 222970, 360806, 445940, 721612, 891880, 902015, 1443224, 1804030, 1984433, 3608060, 3968866, 7216120, 7937732, 9922165, 15875464, 19844330, 39688660, 79377320]

約数ペア:

[(1, 79377320), (2, 39688660), (4, 19844330), (5, 15875464), (8, 9922165), (10, 7937732), (11, 7216120), (20, 3968866), (22, 3608060), (40, 1984433), (44, 1804030), (55, 1443224), (88, 902015), (89, 891880), (110, 721612), (178, 445940), (220, 360806), (356, 222970), (440, 180403), (445, 178376), (712, 111485), (890, 89188), (979, 81080), (1780, 44594), (1958, 40540), (2027, 39160), (3560, 22297), (3916, 20270), (4054, 19580), (4895, 16216), (7832, 10135), (8108, 9790)]