31640560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56501}}^1$

素因数の和:56521

約数の個数: 40

約数和(自身を含む): 84074976

約数和(自身を除く): 52434416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56501, 113002, 226004, 282505, 395507, 452008, 565010, 791014, 904016, 1130020, 1582028, 1977535, 2260040, 3164056, 3955070, 4520080, 6328112, 7910140, 15820280, 31640560]

約数ペア:

[(1, 31640560), (2, 15820280), (4, 7910140), (5, 6328112), (7, 4520080), (8, 3955070), (10, 3164056), (14, 2260040), (16, 1977535), (20, 1582028), (28, 1130020), (35, 904016), (40, 791014), (56, 565010), (70, 452008), (80, 395507), (112, 282505), (140, 226004), (280, 113002), (560, 56501)]