31916120

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{11909}}^1$

素因数の和:11987

約数の個数: 32

約数和(自身を含む): 72889200

約数和(自身を除く): 40973080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 11909, 23818, 47636, 59545, 95272, 119090, 238180, 476360, 797903, 1595806, 3191612, 3989515, 6383224, 7979030, 15958060, 31916120]

約数ペア:

[(1, 31916120), (2, 15958060), (4, 7979030), (5, 6383224), (8, 3989515), (10, 3191612), (20, 1595806), (40, 797903), (67, 476360), (134, 238180), (268, 119090), (335, 95272), (536, 59545), (670, 47636), (1340, 23818), (2680, 11909)]