87141040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{155609}}^1$

素因数の和:155629

約数の個数: 40

約数和(自身を含む): 231547680

約数和(自身を除く): 144406640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 155609, 311218, 622436, 778045, 1089263, 1244872, 1556090, 2178526, 2489744, 3112180, 4357052, 5446315, 6224360, 8714104, 10892630, 12448720, 17428208, 21785260, 43570520, 87141040]

約数ペア:

[(1, 87141040), (2, 43570520), (4, 21785260), (5, 17428208), (7, 12448720), (8, 10892630), (10, 8714104), (14, 6224360), (16, 5446315), (20, 4357052), (28, 3112180), (35, 2489744), (40, 2178526), (56, 1556090), (70, 1244872), (80, 1089263), (112, 778045), (140, 622436), (280, 311218), (560, 155609)]