39721220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25793}}^1$

素因数の和:25820

約数の個数: 48

約数和(自身を含む): 104001408

約数和(自身を除く): 64280188

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, 25793, 51586, 103172, 128965, 180551, 257930, 283723, 361102, 515860, 567446, 722204, 902755, 1134892, 1418615, 1805510, 1986061, 2837230, 3611020, 3972122, 5674460, 7944244, 9930305, 19860610, 39721220]

約数ペア:

[(1, 39721220), (2, 19860610), (4, 9930305), (5, 7944244), (7, 5674460), (10, 3972122), (11, 3611020), (14, 2837230), (20, 1986061), (22, 1805510), (28, 1418615), (35, 1134892), (44, 902755), (55, 722204), (70, 567446), (77, 515860), (110, 361102), (140, 283723), (154, 257930), (220, 180551), (308, 128965), (385, 103172), (770, 51586), (1540, 25793)]