40885880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{146021}}^1$

素因数の和:146039

約数の個数: 32

約数和(自身を含む): 105135840

約数和(自身を除く): 64249960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 146021, 292042, 584084, 730105, 1022147, 1168168, 1460210, 2044294, 2920420, 4088588, 5110735, 5840840, 8177176, 10221470, 20442940, 40885880]

約数ペア:

[(1, 40885880), (2, 20442940), (4, 10221470), (5, 8177176), (7, 5840840), (8, 5110735), (10, 4088588), (14, 2920420), (20, 2044294), (28, 1460210), (35, 1168168), (40, 1022147), (56, 730105), (70, 584084), (140, 292042), (280, 146021)]