156988640240

素因数分解:

$2^4\times 5^1\times {\mathrm{1962358003}}^1$

素因数の和:1962358016

約数の個数: 20

約数和(自身を含む): 364998588744

約数和(自身を除く): 208009948504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962358003, 3924716006, 7849432012, 9811790015, 15698864024, 19623580030, 31397728048, 39247160060, 78494320120, 156988640240]

約数ペア:

[(1, 156988640240), (2, 78494320120), (4, 39247160060), (5, 31397728048), (8, 19623580030), (10, 15698864024), (16, 9811790015), (20, 7849432012), (40, 3924716006), (80, 1962358003)]