2580785360

素因数分解:

$2^4\times 5^1\times {\mathrm{3119}}^1\times {\mathrm{10343}}^1$

素因数の和:13475

約数の個数: 40

約数和(自身を含む): 6002830080

約数和(自身を除く): 3422044720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3119, 6238, 10343, 12476, 15595, 20686, 24952, 31190, 41372, 49904, 51715, 62380, 82744, 103430, 124760, 165488, 206860, 249520, 413720, 827440, 32259817, 64519634, 129039268, 161299085, 258078536, 322598170, 516157072, 645196340, 1290392680, 2580785360]

約数ペア:

[(1, 2580785360), (2, 1290392680), (4, 645196340), (5, 516157072), (8, 322598170), (10, 258078536), (16, 161299085), (20, 129039268), (40, 64519634), (80, 32259817), (3119, 827440), (6238, 413720), (10343, 249520), (12476, 206860), (15595, 165488), (20686, 124760), (24952, 103430), (31190, 82744), (41372, 62380), (49904, 51715)]