40248040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143743}}^1$

素因数の和:143761

約数の個数: 32

約数和(自身を含む): 103495680

約数和(自身を除く): 63247640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143743, 287486, 574972, 718715, 1006201, 1149944, 1437430, 2012402, 2874860, 4024804, 5031005, 5749720, 8049608, 10062010, 20124020, 40248040]

約数ペア:

[(1, 40248040), (2, 20124020), (4, 10062010), (5, 8049608), (7, 5749720), (8, 5031005), (10, 4024804), (14, 2874860), (20, 2012402), (28, 1437430), (35, 1149944), (40, 1006201), (56, 718715), (70, 574972), (140, 287486), (280, 143743)]