201619961360

素因数分解:

$2^4\times 5^1\times {\mathrm{608903}}^1\times {\mathrm{4139}}^1$

素因数の和:613055

約数の個数: 40

約数和(自身を含む): 468880436160

約数和(自身を除く): 267260474800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4139, 8278, 16556, 20695, 33112, 41390, 66224, 82780, 165560, 331120, 608903, 1217806, 2435612, 3044515, 4871224, 6089030, 9742448, 12178060, 24356120, 48712240, 2520249517, 5040499034, 10080998068, 12601247585, 20161996136, 25202495170, 40323992272, 50404990340, 100809980680, 201619961360]

約数ペア:

[(1, 201619961360), (2, 100809980680), (4, 50404990340), (5, 40323992272), (8, 25202495170), (10, 20161996136), (16, 12601247585), (20, 10080998068), (40, 5040499034), (80, 2520249517), (4139, 48712240), (8278, 24356120), (16556, 12178060), (20695, 9742448), (33112, 6089030), (41390, 4871224), (66224, 3044515), (82780, 2435612), (165560, 1217806), (331120, 608903)]