38988640

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3637}}^1$

素因数の和:3719

約数の個数: 48

約数和(自身を含む): 93511152

約数和(自身を除く): 54522512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 3637, 5360, 7274, 10720, 14548, 18185, 29096, 36370, 58192, 72740, 116384, 145480, 243679, 290960, 487358, 581920, 974716, 1218395, 1949432, 2436790, 3898864, 4873580, 7797728, 9747160, 19494320, 38988640]

約数ペア:

[(1, 38988640), (2, 19494320), (4, 9747160), (5, 7797728), (8, 4873580), (10, 3898864), (16, 2436790), (20, 1949432), (32, 1218395), (40, 974716), (67, 581920), (80, 487358), (134, 290960), (160, 243679), (268, 145480), (335, 116384), (536, 72740), (670, 58192), (1072, 36370), (1340, 29096), (2144, 18185), (2680, 14548), (3637, 10720), (5360, 7274)]