78815840

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1873}}^1$

素因数の和:2151

約数の個数: 48

約数和(自身を含む): 187010208

約数和(自身を除く): 108194368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 526, 1052, 1315, 1873, 2104, 2630, 3746, 4208, 5260, 7492, 8416, 9365, 10520, 14984, 18730, 21040, 29968, 37460, 42080, 59936, 74920, 149840, 299680, 492599, 985198, 1970396, 2462995, 3940792, 4925990, 7881584, 9851980, 15763168, 19703960, 39407920, 78815840]

約数ペア:

[(1, 78815840), (2, 39407920), (4, 19703960), (5, 15763168), (8, 9851980), (10, 7881584), (16, 4925990), (20, 3940792), (32, 2462995), (40, 1970396), (80, 985198), (160, 492599), (263, 299680), (526, 149840), (1052, 74920), (1315, 59936), (1873, 42080), (2104, 37460), (2630, 29968), (3746, 21040), (4208, 18730), (5260, 14984), (7492, 10520), (8416, 9365)]