7861950640

素因数分解:

$2^4\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{50893}}^1$

素因数の和:52837

約数の個数: 40

約数和(自身を含む): 18288860688

約数和(自身を除く): 10426910048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1931, 3862, 7724, 9655, 15448, 19310, 30896, 38620, 50893, 77240, 101786, 154480, 203572, 254465, 407144, 508930, 814288, 1017860, 2035720, 4071440, 98274383, 196548766, 393097532, 491371915, 786195064, 982743830, 1572390128, 1965487660, 3930975320, 7861950640]

約数ペア:

[(1, 7861950640), (2, 3930975320), (4, 1965487660), (5, 1572390128), (8, 982743830), (10, 786195064), (16, 491371915), (20, 393097532), (40, 196548766), (80, 98274383), (1931, 4071440), (3862, 2035720), (7724, 1017860), (9655, 814288), (15448, 508930), (19310, 407144), (30896, 254465), (38620, 203572), (50893, 154480), (77240, 101786)]