65797360

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4133}}^1$

素因数の和:4345

約数の個数: 40

約数和(自身を含む): 153784800

約数和(自身を除く): 87987440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 4133, 7960, 8266, 15920, 16532, 20665, 33064, 41330, 66128, 82660, 165320, 330640, 822467, 1644934, 3289868, 4112335, 6579736, 8224670, 13159472, 16449340, 32898680, 65797360]

約数ペア:

[(1, 65797360), (2, 32898680), (4, 16449340), (5, 13159472), (8, 8224670), (10, 6579736), (16, 4112335), (20, 3289868), (40, 1644934), (80, 822467), (199, 330640), (398, 165320), (796, 82660), (995, 66128), (1592, 41330), (1990, 33064), (3184, 20665), (3980, 16532), (4133, 15920), (7960, 8266)]