13305645580

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1\times {\mathrm{4001}}^1$

素因数の和:4914

約数の個数: 48

約数和(自身を含む): 28100955456

約数和(自身を除く): 14795309876

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 647, 1028, 1285, 1294, 2570, 2588, 3235, 4001, 5140, 6470, 8002, 12940, 16004, 20005, 40010, 80020, 166279, 332558, 665116, 831395, 1028257, 1662790, 2056514, 2588647, 3325580, 4113028, 5141285, 5177294, 10282570, 10354588, 12943235, 20565140, 25886470, 51772940, 665282279, 1330564558, 2661129116, 3326411395, 6652822790, 13305645580]

約数ペア:

[(1, 13305645580), (2, 6652822790), (4, 3326411395), (5, 2661129116), (10, 1330564558), (20, 665282279), (257, 51772940), (514, 25886470), (647, 20565140), (1028, 12943235), (1285, 10354588), (1294, 10282570), (2570, 5177294), (2588, 5141285), (3235, 4113028), (4001, 3325580), (5140, 2588647), (6470, 2056514), (8002, 1662790), (12940, 1028257), (16004, 831395), (20005, 665116), (40010, 332558), (80020, 166279)]