262028560

素因数分解:

$2^4\times 5^1\times {\mathrm{3275357}}^1$

素因数の和:3275370

約数の個数: 20

約数和(自身を含む): 609216588

約数和(自身を除く): 347188028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3275357, 6550714, 13101428, 16376785, 26202856, 32753570, 52405712, 65507140, 131014280, 262028560]

約数ペア:

[(1, 262028560), (2, 131014280), (4, 65507140), (5, 52405712), (8, 32753570), (10, 26202856), (16, 16376785), (20, 13101428), (40, 6550714), (80, 3275357)]