40339964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 85585920

約数和(自身を除く): 45245956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 191, 266, 382, 397, 532, 764, 794, 1337, 1588, 2674, 2779, 3629, 5348, 5558, 7258, 7543, 11116, 14516, 15086, 25403, 30172, 50806, 52801, 75827, 101612, 105602, 151654, 211204, 303308, 530789, 1061578, 1440713, 2123156, 2881426, 5762852, 10084991, 20169982, 40339964]

約数ペア:

[(1, 40339964), (2, 20169982), (4, 10084991), (7, 5762852), (14, 2881426), (19, 2123156), (28, 1440713), (38, 1061578), (76, 530789), (133, 303308), (191, 211204), (266, 151654), (382, 105602), (397, 101612), (532, 75827), (764, 52801), (794, 50806), (1337, 30172), (1588, 25403), (2674, 15086), (2779, 14516), (3629, 11116), (5348, 7543), (5558, 7258)]