80739988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 168666624

約数和(自身を除く): 87926636

約数列:

[1, 2, 4, 7, 14, 28, 41, 53, 82, 106, 164, 212, 287, 371, 574, 742, 1148, 1327, 1484, 2173, 2654, 4346, 5308, 8692, 9289, 15211, 18578, 30422, 37156, 54407, 60844, 70331, 108814, 140662, 217628, 281324, 380849, 492317, 761698, 984634, 1523396, 1969268, 2883571, 5767142, 11534284, 20184997, 40369994, 80739988]

約数ペア:

[(1, 80739988), (2, 40369994), (4, 20184997), (7, 11534284), (14, 5767142), (28, 2883571), (41, 1969268), (53, 1523396), (82, 984634), (106, 761698), (164, 492317), (212, 380849), (287, 281324), (371, 217628), (574, 140662), (742, 108814), (1148, 70331), (1327, 60844), (1484, 54407), (2173, 37156), (2654, 30422), (4346, 18578), (5308, 15211), (8692, 9289)]