85288240

素因数分解:

$2^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1949}}^1$

素因数の和:2509

約数の個数: 40

約数和(自身を含む): 198759600

約数和(自身を除く): 113471360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 547, 1094, 1949, 2188, 2735, 3898, 4376, 5470, 7796, 8752, 9745, 10940, 15592, 19490, 21880, 31184, 38980, 43760, 77960, 155920, 1066103, 2132206, 4264412, 5330515, 8528824, 10661030, 17057648, 21322060, 42644120, 85288240]

約数ペア:

[(1, 85288240), (2, 42644120), (4, 21322060), (5, 17057648), (8, 10661030), (10, 8528824), (16, 5330515), (20, 4264412), (40, 2132206), (80, 1066103), (547, 155920), (1094, 77960), (1949, 43760), (2188, 38980), (2735, 31184), (3898, 21880), (4376, 19490), (5470, 15592), (7796, 10940), (8752, 9745)]