268525640

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{16741}}^1$

素因数の和:17153

約数の個数: 32

約数和(自身を含む): 605725560

約数和(自身を除く): 337199920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 16741, 33482, 66964, 83705, 133928, 167410, 334820, 669640, 6713141, 13426282, 26852564, 33565705, 53705128, 67131410, 134262820, 268525640]

約数ペア:

[(1, 268525640), (2, 134262820), (4, 67131410), (5, 53705128), (8, 33565705), (10, 26852564), (20, 13426282), (40, 6713141), (401, 669640), (802, 334820), (1604, 167410), (2005, 133928), (3208, 83705), (4010, 66964), (8020, 33482), (16040, 16741)]