12391540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 30248064

約数和(自身を除く): 17856524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1451, 1708, 2135, 2902, 4270, 5804, 7255, 8540, 10157, 14510, 20314, 29020, 40628, 50785, 88511, 101570, 177022, 203140, 354044, 442555, 619577, 885110, 1239154, 1770220, 2478308, 3097885, 6195770, 12391540]

約数ペア:

[(1, 12391540), (2, 6195770), (4, 3097885), (5, 2478308), (7, 1770220), (10, 1239154), (14, 885110), (20, 619577), (28, 442555), (35, 354044), (61, 203140), (70, 177022), (122, 101570), (140, 88511), (244, 50785), (305, 40628), (427, 29020), (610, 20314), (854, 14510), (1220, 10157), (1451, 8540), (1708, 7255), (2135, 5804), (2902, 4270)]