66772460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{883}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 148512000

約数和(自身を除く): 81739540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 380, 398, 796, 883, 995, 1766, 1990, 3532, 3781, 3980, 4415, 7562, 8830, 15124, 16777, 17660, 18905, 33554, 37810, 67108, 75620, 83885, 167770, 175717, 335540, 351434, 702868, 878585, 1757170, 3338623, 3514340, 6677246, 13354492, 16693115, 33386230, 66772460]

約数ペア:

[(1, 66772460), (2, 33386230), (4, 16693115), (5, 13354492), (10, 6677246), (19, 3514340), (20, 3338623), (38, 1757170), (76, 878585), (95, 702868), (190, 351434), (199, 335540), (380, 175717), (398, 167770), (796, 83885), (883, 75620), (995, 67108), (1766, 37810), (1990, 33554), (3532, 18905), (3781, 17660), (3980, 16777), (4415, 15124), (7562, 8830)]