80051440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{142949}}^1$

素因数の和:142969

約数の個数: 40

約数和(自身を含む): 212709600

約数和(自身を除く): 132658160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 142949, 285898, 571796, 714745, 1000643, 1143592, 1429490, 2001286, 2287184, 2858980, 4002572, 5003215, 5717960, 8005144, 10006430, 11435920, 16010288, 20012860, 40025720, 80051440]

約数ペア:

[(1, 80051440), (2, 40025720), (4, 20012860), (5, 16010288), (7, 11435920), (8, 10006430), (10, 8005144), (14, 5717960), (16, 5003215), (20, 4002572), (28, 2858980), (35, 2287184), (40, 2001286), (56, 1429490), (70, 1143592), (80, 1000643), (112, 714745), (140, 571796), (280, 285898), (560, 142949)]