1002078320

素因数分解:

$2^4\times 5^1\times {\mathrm{12525979}}^1$

素因数の和:12525992

約数の個数: 20

約数和(自身を含む): 2329832280

約数和(自身を除く): 1327753960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12525979, 25051958, 50103916, 62629895, 100207832, 125259790, 200415664, 250519580, 501039160, 1002078320]

約数ペア:

[(1, 1002078320), (2, 501039160), (4, 250519580), (5, 200415664), (8, 125259790), (10, 100207832), (16, 62629895), (20, 50103916), (40, 25051958), (80, 12525979)]