12407920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{22157}}^1$

素因数の和:22177

約数の個数: 40

約数和(自身を含む): 32971104

約数和(自身を除く): 20563184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 22157, 44314, 88628, 110785, 155099, 177256, 221570, 310198, 354512, 443140, 620396, 775495, 886280, 1240792, 1550990, 1772560, 2481584, 3101980, 6203960, 12407920]

約数ペア:

[(1, 12407920), (2, 6203960), (4, 3101980), (5, 2481584), (7, 1772560), (8, 1550990), (10, 1240792), (14, 886280), (16, 775495), (20, 620396), (28, 443140), (35, 354512), (40, 310198), (56, 221570), (70, 177256), (80, 155099), (112, 110785), (140, 88628), (280, 44314), (560, 22157)]