25339990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 49343616

約数和(自身を除く): 24003626

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 421, 463, 842, 926, 2105, 2315, 4210, 4630, 5473, 6019, 10946, 12038, 27365, 30095, 54730, 60190, 194923, 389846, 974615, 1949230, 2533999, 5067998, 12669995, 25339990]

約数ペア:

[(1, 25339990), (2, 12669995), (5, 5067998), (10, 2533999), (13, 1949230), (26, 974615), (65, 389846), (130, 194923), (421, 60190), (463, 54730), (842, 30095), (926, 27365), (2105, 12038), (2315, 10946), (4210, 6019), (4630, 5473)]