80471320

素因数分解:

$2^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{2111}}^1$

素因数の和:3075

約数の個数: 32

約数和(自身を含む): 181336320

約数和(自身を除く): 100865000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 953, 1906, 2111, 3812, 4222, 4765, 7624, 8444, 9530, 10555, 16888, 19060, 21110, 38120, 42220, 84440, 2011783, 4023566, 8047132, 10058915, 16094264, 20117830, 40235660, 80471320]

約数ペア:

[(1, 80471320), (2, 40235660), (4, 20117830), (5, 16094264), (8, 10058915), (10, 8047132), (20, 4023566), (40, 2011783), (953, 84440), (1906, 42220), (2111, 38120), (3812, 21110), (4222, 19060), (4765, 16888), (7624, 10555), (8444, 9530)]