80961440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72287}}^1$

素因数の和:72309

約数の個数: 48

約数和(自身を含む): 218598912

約数和(自身を除く): 137637472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72287, 144574, 289148, 361435, 506009, 578296, 722870, 1012018, 1156592, 1445740, 2024036, 2313184, 2530045, 2891480, 4048072, 5060090, 5782960, 8096144, 10120180, 11565920, 16192288, 20240360, 40480720, 80961440]

約数ペア:

[(1, 80961440), (2, 40480720), (4, 20240360), (5, 16192288), (7, 11565920), (8, 10120180), (10, 8096144), (14, 5782960), (16, 5060090), (20, 4048072), (28, 2891480), (32, 2530045), (35, 2313184), (40, 2024036), (56, 1445740), (70, 1156592), (80, 1012018), (112, 722870), (140, 578296), (160, 506009), (224, 361435), (280, 289148), (560, 144574), (1120, 72287)]