1871320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4253}}^1$

素因数の和:4275

約数の個数: 32

約数和(自身を含む): 4594320

約数和(自身を除く): 2723000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4253, 8506, 17012, 21265, 34024, 42530, 46783, 85060, 93566, 170120, 187132, 233915, 374264, 467830, 935660, 1871320]

約数ペア:

[(1, 1871320), (2, 935660), (4, 467830), (5, 374264), (8, 233915), (10, 187132), (11, 170120), (20, 93566), (22, 85060), (40, 46783), (44, 42530), (55, 34024), (88, 21265), (110, 17012), (220, 8506), (440, 4253)]