87847720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{32779}}^1$

素因数の和:32857

約数の個数: 32

約数和(自身を含む): 200613600

約数和(自身を除く): 112765880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 32779, 65558, 131116, 163895, 262232, 327790, 655580, 1311160, 2196193, 4392386, 8784772, 10980965, 17569544, 21961930, 43923860, 87847720]

約数ペア:

[(1, 87847720), (2, 43923860), (4, 21961930), (5, 17569544), (8, 10980965), (10, 8784772), (20, 4392386), (40, 2196193), (67, 1311160), (134, 655580), (268, 327790), (335, 262232), (536, 163895), (670, 131116), (1340, 65558), (2680, 32779)]