78135880

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{4219}}^1$

素因数の和:4693

約数の個数: 32

約数和(自身を含む): 176227200

約数和(自身を除く): 98091320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4219, 4630, 8438, 9260, 16876, 18520, 21095, 33752, 42190, 84380, 168760, 1953397, 3906794, 7813588, 9766985, 15627176, 19533970, 39067940, 78135880]

約数ペア:

[(1, 78135880), (2, 39067940), (4, 19533970), (5, 15627176), (8, 9766985), (10, 7813588), (20, 3906794), (40, 1953397), (463, 168760), (926, 84380), (1852, 42190), (2315, 33752), (3704, 21095), (4219, 18520), (4630, 16876), (8438, 9260)]