39407920

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1873}}^1$

素因数の和:2149

約数の個数: 40

約数和(自身を含む): 92020896

約数和(自身を除く): 52612976

約数列:

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

約数ペア:

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