40428164

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11369}}^1$

素因数の和:11507

約数の個数: 24

約数和(自身を含む): 81500160

約数和(自身を除く): 41071996

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 11369, 22738, 45476, 79583, 159166, 318332, 1443863, 2887726, 5775452, 10107041, 20214082, 40428164]

約数ペア:

[(1, 40428164), (2, 20214082), (4, 10107041), (7, 5775452), (14, 2887726), (28, 1443863), (127, 318332), (254, 159166), (508, 79583), (889, 45476), (1778, 22738), (3556, 11369)]