7143920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{12757}}^1$

素因数の和:12777

約数の個数: 40

約数和(自身を含む): 18983904

約数和(自身を除く): 11839984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 12757, 25514, 51028, 63785, 89299, 102056, 127570, 178598, 204112, 255140, 357196, 446495, 510280, 714392, 892990, 1020560, 1428784, 1785980, 3571960, 7143920]

約数ペア:

[(1, 7143920), (2, 3571960), (4, 1785980), (5, 1428784), (7, 1020560), (8, 892990), (10, 714392), (14, 510280), (16, 446495), (20, 357196), (28, 255140), (35, 204112), (40, 178598), (56, 127570), (70, 102056), (80, 89299), (112, 63785), (140, 51028), (280, 25514), (560, 12757)]