12156979760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7998013}}^1$

素因数の和:7998045

約数の個数: 40

約数和(自身を含む): 29752612080

約数和(自身を除く): 17595632320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 7998013, 15996026, 31992052, 39990065, 63984104, 79980130, 127968208, 151962247, 159960260, 303924494, 319920520, 607848988, 639841040, 759811235, 1215697976, 1519622470, 2431395952, 3039244940, 6078489880, 12156979760]

約数ペア:

[(1, 12156979760), (2, 6078489880), (4, 3039244940), (5, 2431395952), (8, 1519622470), (10, 1215697976), (16, 759811235), (19, 639841040), (20, 607848988), (38, 319920520), (40, 303924494), (76, 159960260), (80, 151962247), (95, 127968208), (152, 79980130), (190, 63984104), (304, 39990065), (380, 31992052), (760, 15996026), (1520, 7998013)]