26390980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17137}}^1$

素因数の和:17164

約数の個数: 48

約数和(自身を含む): 69100416

約数和(自身を除く): 42709436

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, 17137, 34274, 68548, 85685, 119959, 171370, 188507, 239918, 342740, 377014, 479836, 599795, 754028, 942535, 1199590, 1319549, 1885070, 2399180, 2639098, 3770140, 5278196, 6597745, 13195490, 26390980]

約数ペア:

[(1, 26390980), (2, 13195490), (4, 6597745), (5, 5278196), (7, 3770140), (10, 2639098), (11, 2399180), (14, 1885070), (20, 1319549), (22, 1199590), (28, 942535), (35, 754028), (44, 599795), (55, 479836), (70, 377014), (77, 342740), (110, 239918), (140, 188507), (154, 171370), (220, 119959), (308, 85685), (385, 68548), (770, 34274), (1540, 17137)]