80388256

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1117}}^1$

素因数の和:1313

約数の個数: 48

約数和(自身を含む): 171577224

約数和(自身を除く): 91188968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 173, 208, 346, 416, 692, 1117, 1384, 2234, 2249, 2768, 4468, 4498, 5536, 8936, 8996, 14521, 17872, 17992, 29042, 35744, 35984, 58084, 71968, 116168, 193241, 232336, 386482, 464672, 772964, 1545928, 2512133, 3091856, 5024266, 6183712, 10048532, 20097064, 40194128, 80388256]

約数ペア:

[(1, 80388256), (2, 40194128), (4, 20097064), (8, 10048532), (13, 6183712), (16, 5024266), (26, 3091856), (32, 2512133), (52, 1545928), (104, 772964), (173, 464672), (208, 386482), (346, 232336), (416, 193241), (692, 116168), (1117, 71968), (1384, 58084), (2234, 35984), (2249, 35744), (2768, 29042), (4468, 17992), (4498, 17872), (5536, 14521), (8936, 8996)]