161745400

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{15259}}^1$

素因数の和:15328

約数の個数: 48

約数和(自身を含む): 383178600

約数和(自身を除く): 221433200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 2120, 2650, 5300, 10600, 15259, 30518, 61036, 76295, 122072, 152590, 305180, 381475, 610360, 762950, 808727, 1525900, 1617454, 3051800, 3234908, 4043635, 6469816, 8087270, 16174540, 20218175, 32349080, 40436350, 80872700, 161745400]

約数ペア:

[(1, 161745400), (2, 80872700), (4, 40436350), (5, 32349080), (8, 20218175), (10, 16174540), (20, 8087270), (25, 6469816), (40, 4043635), (50, 3234908), (53, 3051800), (100, 1617454), (106, 1525900), (200, 808727), (212, 762950), (265, 610360), (424, 381475), (530, 305180), (1060, 152590), (1325, 122072), (2120, 76295), (2650, 61036), (5300, 30518), (10600, 15259)]