40937180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 88252416

約数和(自身を除く): 47315236

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 227, 254, 284, 355, 454, 508, 635, 710, 908, 1135, 1270, 1420, 2270, 2540, 4540, 9017, 16117, 18034, 28829, 32234, 36068, 45085, 57658, 64468, 80585, 90170, 115316, 144145, 161170, 180340, 288290, 322340, 576580, 2046859, 4093718, 8187436, 10234295, 20468590, 40937180]

約数ペア:

[(1, 40937180), (2, 20468590), (4, 10234295), (5, 8187436), (10, 4093718), (20, 2046859), (71, 576580), (127, 322340), (142, 288290), (227, 180340), (254, 161170), (284, 144145), (355, 115316), (454, 90170), (508, 80585), (635, 64468), (710, 57658), (908, 45085), (1135, 36068), (1270, 32234), (1420, 28829), (2270, 18034), (2540, 16117), (4540, 9017)]