40390760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 97130880

約数和(自身を除く): 56740120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1021, 1720, 1978, 2042, 3956, 4084, 4945, 5105, 7912, 8168, 9890, 10210, 19780, 20420, 23483, 39560, 40840, 43903, 46966, 87806, 93932, 117415, 175612, 187864, 219515, 234830, 351224, 439030, 469660, 878060, 939320, 1009769, 1756120, 2019538, 4039076, 5048845, 8078152, 10097690, 20195380, 40390760]

約数ペア:

[(1, 40390760), (2, 20195380), (4, 10097690), (5, 8078152), (8, 5048845), (10, 4039076), (20, 2019538), (23, 1756120), (40, 1009769), (43, 939320), (46, 878060), (86, 469660), (92, 439030), (115, 351224), (172, 234830), (184, 219515), (215, 187864), (230, 175612), (344, 117415), (430, 93932), (460, 87806), (860, 46966), (920, 43903), (989, 40840), (1021, 39560), (1720, 23483), (1978, 20420), (2042, 19780), (3956, 10210), (4084, 9890), (4945, 8168), (5105, 7912)]