12885880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{46021}}^1$

素因数の和:46039

約数の個数: 32

約数和(自身を含む): 33135840

約数和(自身を除く): 20249960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 46021, 92042, 184084, 230105, 322147, 368168, 460210, 644294, 920420, 1288588, 1610735, 1840840, 2577176, 3221470, 6442940, 12885880]

約数ペア:

[(1, 12885880), (2, 6442940), (4, 3221470), (5, 2577176), (7, 1840840), (8, 1610735), (10, 1288588), (14, 920420), (20, 644294), (28, 460210), (35, 368168), (40, 322147), (56, 230105), (70, 184084), (140, 92042), (280, 46021)]