1569160780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{80141}}^1$

素因数の和:80250

約数の個数: 48

約数和(自身を含む): 3635241120

約数和(自身を除く): 2066080340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 19580, 80141, 160282, 320564, 400705, 801410, 881551, 1602820, 1763102, 3526204, 4407755, 7132549, 8815510, 14265098, 17631020, 28530196, 35662745, 71325490, 78458039, 142650980, 156916078, 313832156, 392290195, 784580390, 1569160780]

約数ペア:

[(1, 1569160780), (2, 784580390), (4, 392290195), (5, 313832156), (10, 156916078), (11, 142650980), (20, 78458039), (22, 71325490), (44, 35662745), (55, 28530196), (89, 17631020), (110, 14265098), (178, 8815510), (220, 7132549), (356, 4407755), (445, 3526204), (890, 1763102), (979, 1602820), (1780, 881551), (1958, 801410), (3916, 400705), (4895, 320564), (9790, 160282), (19580, 80141)]