7820920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8501}}^1$

素因数の和:8535

約数の個数: 32

約数和(自身を含む): 18364320

約数和(自身を除く): 10543400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 8501, 17002, 34004, 42505, 68008, 85010, 170020, 195523, 340040, 391046, 782092, 977615, 1564184, 1955230, 3910460, 7820920]

約数ペア:

[(1, 7820920), (2, 3910460), (4, 1955230), (5, 1564184), (8, 977615), (10, 782092), (20, 391046), (23, 340040), (40, 195523), (46, 170020), (92, 85010), (115, 68008), (184, 42505), (230, 34004), (460, 17002), (920, 8501)]