26169220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16993}}^1$

素因数の和:17020

約数の個数: 48

約数和(自身を含む): 68519808

約数和(自身を除く): 42350588

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, 16993, 33986, 67972, 84965, 118951, 169930, 186923, 237902, 339860, 373846, 475804, 594755, 747692, 934615, 1189510, 1308461, 1869230, 2379020, 2616922, 3738460, 5233844, 6542305, 13084610, 26169220]

約数ペア:

[(1, 26169220), (2, 13084610), (4, 6542305), (5, 5233844), (7, 3738460), (10, 2616922), (11, 2379020), (14, 1869230), (20, 1308461), (22, 1189510), (28, 934615), (35, 747692), (44, 594755), (55, 475804), (70, 373846), (77, 339860), (110, 237902), (140, 186923), (154, 169930), (220, 118951), (308, 84965), (385, 67972), (770, 33986), (1540, 16993)]