40648636

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 88252416

約数和(自身を除く): 47603780

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 71, 92, 98, 127, 142, 161, 196, 254, 284, 322, 497, 508, 644, 889, 994, 1127, 1633, 1778, 1988, 2254, 2921, 3266, 3479, 3556, 4508, 5842, 6223, 6532, 6958, 9017, 11431, 11684, 12446, 13916, 18034, 20447, 22862, 24892, 36068, 40894, 45724, 63119, 80017, 81788, 126238, 143129, 160034, 207391, 252476, 286258, 320068, 414782, 441833, 572516, 829564, 883666, 1451737, 1767332, 2903474, 5806948, 10162159, 20324318, 40648636]

約数ペア:

[(1, 40648636), (2, 20324318), (4, 10162159), (7, 5806948), (14, 2903474), (23, 1767332), (28, 1451737), (46, 883666), (49, 829564), (71, 572516), (92, 441833), (98, 414782), (127, 320068), (142, 286258), (161, 252476), (196, 207391), (254, 160034), (284, 143129), (322, 126238), (497, 81788), (508, 80017), (644, 63119), (889, 45724), (994, 40894), (1127, 36068), (1633, 24892), (1778, 22862), (1988, 20447), (2254, 18034), (2921, 13916), (3266, 12446), (3479, 11684), (3556, 11431), (4508, 9017), (5842, 6958), (6223, 6532)]