67840

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1$

素因数の和:74

約数の個数: 36

約数和(自身を含む): 165564

約数和(自身を除く): 97724

約数列:

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

約数ペア:

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