13106140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 28728000

約数和(自身を除く): 15621860

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 89, 148, 178, 185, 199, 356, 370, 398, 445, 740, 796, 890, 995, 1780, 1990, 3293, 3980, 6586, 7363, 13172, 14726, 16465, 17711, 29452, 32930, 35422, 36815, 65860, 70844, 73630, 88555, 147260, 177110, 354220, 655307, 1310614, 2621228, 3276535, 6553070, 13106140]

約数ペア:

[(1, 13106140), (2, 6553070), (4, 3276535), (5, 2621228), (10, 1310614), (20, 655307), (37, 354220), (74, 177110), (89, 147260), (148, 88555), (178, 73630), (185, 70844), (199, 65860), (356, 36815), (370, 35422), (398, 32930), (445, 29452), (740, 17711), (796, 16465), (890, 14726), (995, 13172), (1780, 7363), (1990, 6586), (3293, 3980)]