878720

素因数分解:

$2^7\times 5^1\times {\mathrm{1373}}^1$

素因数の和:1392

約数の個数: 32

約数和(自身を含む): 2102220

約数和(自身を除く): 1223500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1373, 2746, 5492, 6865, 10984, 13730, 21968, 27460, 43936, 54920, 87872, 109840, 175744, 219680, 439360, 878720]

約数ペア:

[(1, 878720), (2, 439360), (4, 219680), (5, 175744), (8, 109840), (10, 87872), (16, 54920), (20, 43936), (32, 27460), (40, 21968), (64, 13730), (80, 10984), (128, 6865), (160, 5492), (320, 2746), (640, 1373)]