163432520

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{12889}}^1$

素因数の和:13217

約数の個数: 32

約数和(自身を含む): 368911800

約数和(自身を除く): 205479280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 12889, 25778, 51556, 64445, 103112, 128890, 257780, 515560, 4085813, 8171626, 16343252, 20429065, 32686504, 40858130, 81716260, 163432520]

約数ペア:

[(1, 163432520), (2, 81716260), (4, 40858130), (5, 32686504), (8, 20429065), (10, 16343252), (20, 8171626), (40, 4085813), (317, 515560), (634, 257780), (1268, 128890), (1585, 103112), (2536, 64445), (3170, 51556), (6340, 25778), (12680, 12889)]