28450480

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1019}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 66402000

約数和(自身を除く): 37951520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 1019, 1396, 1745, 2038, 2792, 3490, 4076, 5095, 5584, 6980, 8152, 10190, 13960, 16304, 20380, 27920, 40760, 81520, 355631, 711262, 1422524, 1778155, 2845048, 3556310, 5690096, 7112620, 14225240, 28450480]

約数ペア:

[(1, 28450480), (2, 14225240), (4, 7112620), (5, 5690096), (8, 3556310), (10, 2845048), (16, 1778155), (20, 1422524), (40, 711262), (80, 355631), (349, 81520), (698, 40760), (1019, 27920), (1396, 20380), (1745, 16304), (2038, 13960), (2792, 10190), (3490, 8152), (4076, 6980), (5095, 5584)]