168554920

素因数分解:

$2^3\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{3347}}^1$

素因数の和:4617

約数の個数: 32

約数和(自身を含む): 379663200

約数和(自身を除く): 211108280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1259, 2518, 3347, 5036, 6295, 6694, 10072, 12590, 13388, 16735, 25180, 26776, 33470, 50360, 66940, 133880, 4213873, 8427746, 16855492, 21069365, 33710984, 42138730, 84277460, 168554920]

約数ペア:

[(1, 168554920), (2, 84277460), (4, 42138730), (5, 33710984), (8, 21069365), (10, 16855492), (20, 8427746), (40, 4213873), (1259, 133880), (2518, 66940), (3347, 50360), (5036, 33470), (6295, 26776), (6694, 25180), (10072, 16735), (12590, 13388)]