12976360

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{809}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 29305800

約数和(自身を除く): 16329440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 809, 1604, 1618, 2005, 3208, 3236, 4010, 4045, 6472, 8020, 8090, 16040, 16180, 32360, 324409, 648818, 1297636, 1622045, 2595272, 3244090, 6488180, 12976360]

約数ペア:

[(1, 12976360), (2, 6488180), (4, 3244090), (5, 2595272), (8, 1622045), (10, 1297636), (20, 648818), (40, 324409), (401, 32360), (802, 16180), (809, 16040), (1604, 8090), (1618, 8020), (2005, 6472), (3208, 4045), (3236, 4010)]