31457840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5869}}^1$

素因数の和:5949

約数の個数: 40

約数和(自身を含む): 74243760

約数和(自身を除く): 42785920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 5869, 11738, 23476, 29345, 46952, 58690, 93904, 117380, 234760, 393223, 469520, 786446, 1572892, 1966115, 3145784, 3932230, 6291568, 7864460, 15728920, 31457840]

約数ペア:

[(1, 31457840), (2, 15728920), (4, 7864460), (5, 6291568), (8, 3932230), (10, 3145784), (16, 1966115), (20, 1572892), (40, 786446), (67, 469520), (80, 393223), (134, 234760), (268, 117380), (335, 93904), (536, 58690), (670, 46952), (1072, 29345), (1340, 23476), (2680, 11738), (5360, 5869)]