165741320

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{10333}}^1$

素因数の和:10745

約数の個数: 32

約数和(自身を含む): 373884120

約数和(自身を除く): 208142800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 10333, 16040, 20666, 41332, 51665, 82664, 103330, 206660, 413320, 4143533, 8287066, 16574132, 20717665, 33148264, 41435330, 82870660, 165741320]

約数ペア:

[(1, 165741320), (2, 82870660), (4, 41435330), (5, 33148264), (8, 20717665), (10, 16574132), (20, 8287066), (40, 4143533), (401, 413320), (802, 206660), (1604, 103330), (2005, 82664), (3208, 51665), (4010, 41332), (8020, 20666), (10333, 16040)]