65170240

素因数分解:

$2^6\times 5^1\times {\mathrm{203657}}^1$

素因数の和:203674

約数の個数: 28

約数和(自身を含む): 155187396

約数和(自身を除く): 90017156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 203657, 407314, 814628, 1018285, 1629256, 2036570, 3258512, 4073140, 6517024, 8146280, 13034048, 16292560, 32585120, 65170240]

約数ペア:

[(1, 65170240), (2, 32585120), (4, 16292560), (5, 13034048), (8, 8146280), (10, 6517024), (16, 4073140), (20, 3258512), (32, 2036570), (40, 1629256), (64, 1018285), (80, 814628), (160, 407314), (320, 203657)]