80044580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51977}}^1$

素因数の和:52004

約数の個数: 48

約数和(自身を含む): 209575296

約数和(自身を除く): 129530716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 51977, 103954, 207908, 259885, 363839, 519770, 571747, 727678, 1039540, 1143494, 1455356, 1819195, 2286988, 2858735, 3638390, 4002229, 5717470, 7276780, 8004458, 11434940, 16008916, 20011145, 40022290, 80044580]

約数ペア:

[(1, 80044580), (2, 40022290), (4, 20011145), (5, 16008916), (7, 11434940), (10, 8004458), (11, 7276780), (14, 5717470), (20, 4002229), (22, 3638390), (28, 2858735), (35, 2286988), (44, 1819195), (55, 1455356), (70, 1143494), (77, 1039540), (110, 727678), (140, 571747), (154, 519770), (220, 363839), (308, 259885), (385, 207908), (770, 103954), (1540, 51977)]