219680

素因数分解:

$2^5\times 5^1\times {\mathrm{1373}}^1$

素因数の和:1388

約数の個数: 24

約数和(自身を含む): 519372

約数和(自身を除く): 299692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1373, 2746, 5492, 6865, 10984, 13730, 21968, 27460, 43936, 54920, 109840, 219680]

約数ペア:

[(1, 219680), (2, 109840), (4, 54920), (5, 43936), (8, 27460), (10, 21968), (16, 13730), (20, 10984), (32, 6865), (40, 5492), (80, 2746), (160, 1373)]