12788663560

素因数分解:

$2^3\times 5^1\times {\mathrm{2963}}^1\times {\mathrm{107903}}^1$

素因数の和:110877

約数の個数: 32

約数和(自身を含む): 28784471040

約数和(自身を除く): 15995807480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2963, 5926, 11852, 14815, 23704, 29630, 59260, 107903, 118520, 215806, 431612, 539515, 863224, 1079030, 2158060, 4316120, 319716589, 639433178, 1278866356, 1598582945, 2557732712, 3197165890, 6394331780, 12788663560]

約数ペア:

[(1, 12788663560), (2, 6394331780), (4, 3197165890), (5, 2557732712), (8, 1598582945), (10, 1278866356), (20, 639433178), (40, 319716589), (2963, 4316120), (5926, 2158060), (11852, 1079030), (14815, 863224), (23704, 539515), (29630, 431612), (59260, 215806), (107903, 118520)]