13777480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20261}}^1$

素因数の和:20289

約数の個数: 32

約数和(自身を含む): 32824440

約数和(自身を除く): 19046960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 20261, 40522, 81044, 101305, 162088, 202610, 344437, 405220, 688874, 810440, 1377748, 1722185, 2755496, 3444370, 6888740, 13777480]

約数ペア:

[(1, 13777480), (2, 6888740), (4, 3444370), (5, 2755496), (8, 1722185), (10, 1377748), (17, 810440), (20, 688874), (34, 405220), (40, 344437), (68, 202610), (85, 162088), (136, 101305), (170, 81044), (340, 40522), (680, 20261)]