82168640

素因数分解:

$2^6\times 5^1\times {\mathrm{461}}^1\times {\mathrm{557}}^1$

素因数の和:1035

約数の個数: 56

約数和(自身を含む): 196440552

約数和(自身を除く): 114271912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 461, 557, 922, 1114, 1844, 2228, 2305, 2785, 3688, 4456, 4610, 5570, 7376, 8912, 9220, 11140, 14752, 17824, 18440, 22280, 29504, 35648, 36880, 44560, 73760, 89120, 147520, 178240, 256777, 513554, 1027108, 1283885, 2054216, 2567770, 4108432, 5135540, 8216864, 10271080, 16433728, 20542160, 41084320, 82168640]

約数ペア:

[(1, 82168640), (2, 41084320), (4, 20542160), (5, 16433728), (8, 10271080), (10, 8216864), (16, 5135540), (20, 4108432), (32, 2567770), (40, 2054216), (64, 1283885), (80, 1027108), (160, 513554), (320, 256777), (461, 178240), (557, 147520), (922, 89120), (1114, 73760), (1844, 44560), (2228, 36880), (2305, 35648), (2785, 29504), (3688, 22280), (4456, 18440), (4610, 17824), (5570, 14752), (7376, 11140), (8912, 9220)]