135660160

素因数分解:

$2^7\times 5^1\times {\mathrm{211969}}^1$

素因数の和:211988

約数の個数: 32

約数和(自身を含む): 324314100

約数和(自身を除く): 188653940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 211969, 423938, 847876, 1059845, 1695752, 2119690, 3391504, 4239380, 6783008, 8478760, 13566016, 16957520, 27132032, 33915040, 67830080, 135660160]

約数ペア:

[(1, 135660160), (2, 67830080), (4, 33915040), (5, 27132032), (8, 16957520), (10, 13566016), (16, 8478760), (20, 6783008), (32, 4239380), (40, 3391504), (64, 2119690), (80, 1695752), (128, 1059845), (160, 847876), (320, 423938), (640, 211969)]