86855440

素因数分解:

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

素因数の和:22184

約数の個数: 60

約数和(自身を含む): 234919116

約数和(自身を除く): 148063676

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 22157, 44314, 88628, 110785, 155099, 177256, 221570, 310198, 354512, 443140, 620396, 775495, 886280, 1085693, 1240792, 1550990, 1772560, 2171386, 2481584, 3101980, 4342772, 5428465, 6203960, 8685544, 10856930, 12407920, 17371088, 21713860, 43427720, 86855440]

約数ペア:

[(1, 86855440), (2, 43427720), (4, 21713860), (5, 17371088), (7, 12407920), (8, 10856930), (10, 8685544), (14, 6203960), (16, 5428465), (20, 4342772), (28, 3101980), (35, 2481584), (40, 2171386), (49, 1772560), (56, 1550990), (70, 1240792), (80, 1085693), (98, 886280), (112, 775495), (140, 620396), (196, 443140), (245, 354512), (280, 310198), (392, 221570), (490, 177256), (560, 155099), (784, 110785), (980, 88628), (1960, 44314), (3920, 22157)]