15820280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{56501}}^1$

素因数の和:56519

約数の個数: 32

約数和(自身を含む): 40681440

約数和(自身を除く): 24861160

約数列:

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

約数ペア:

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