130063040

素因数分解:

$2^6\times 5^1\times {\mathrm{406447}}^1$

素因数の和:406464

約数の個数: 28

約数和(自身を含む): 309713376

約数和(自身を除く): 179650336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 406447, 812894, 1625788, 2032235, 3251576, 4064470, 6503152, 8128940, 13006304, 16257880, 26012608, 32515760, 65031520, 130063040]

約数ペア:

[(1, 130063040), (2, 65031520), (4, 32515760), (5, 26012608), (8, 16257880), (10, 13006304), (16, 8128940), (20, 6503152), (32, 4064470), (40, 3251576), (64, 2032235), (80, 1625788), (160, 812894), (320, 406447)]