87268840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{32563}}^1$

素因数の和:32641

約数の個数: 32

約数和(自身を含む): 199291680

約数和(自身を除く): 112022840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 32563, 65126, 130252, 162815, 260504, 325630, 651260, 1302520, 2181721, 4363442, 8726884, 10908605, 17453768, 21817210, 43634420, 87268840]

約数ペア:

[(1, 87268840), (2, 43634420), (4, 21817210), (5, 17453768), (8, 10908605), (10, 8726884), (20, 4363442), (40, 2181721), (67, 1302520), (134, 651260), (268, 325630), (335, 260504), (536, 162815), (670, 130252), (1340, 65126), (2680, 32563)]