135680

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1$

素因数の和:76

約数の個数: 40

約数和(自身を含む): 331452

約数和(自身を除く): 195772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 512, 530, 640, 848, 1060, 1280, 1696, 2120, 2560, 3392, 4240, 6784, 8480, 13568, 16960, 27136, 33920, 67840, 135680]

約数ペア:

[(1, 135680), (2, 67840), (4, 33920), (5, 27136), (8, 16960), (10, 13568), (16, 8480), (20, 6784), (32, 4240), (40, 3392), (53, 2560), (64, 2120), (80, 1696), (106, 1280), (128, 1060), (160, 848), (212, 640), (256, 530), (265, 512), (320, 424)]