85252008040

素因数分解:

$2^3\times 5^1\times {\mathrm{16139}}^1\times {\mathrm{132059}}^1$

素因数の和:148209

約数の個数: 32

約数和(自身を含む): 191830356000

約数和(自身を除く): 106578347960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 16139, 32278, 64556, 80695, 129112, 132059, 161390, 264118, 322780, 528236, 645560, 660295, 1056472, 1320590, 2641180, 5282360, 2131300201, 4262600402, 8525200804, 10656501005, 17050401608, 21313002010, 42626004020, 85252008040]

約数ペア:

[(1, 85252008040), (2, 42626004020), (4, 21313002010), (5, 17050401608), (8, 10656501005), (10, 8525200804), (20, 4262600402), (40, 2131300201), (16139, 5282360), (32278, 2641180), (64556, 1320590), (80695, 1056472), (129112, 660295), (132059, 645560), (161390, 528236), (264118, 322780)]