81502210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1709}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 155131200

約数和(自身を除く): 73628990

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 502, 1255, 1709, 2510, 3418, 4769, 8545, 9538, 17090, 23845, 32471, 47690, 64942, 162355, 324710, 428959, 857918, 2144795, 4289590, 8150221, 16300442, 40751105, 81502210]

約数ペア:

[(1, 81502210), (2, 40751105), (5, 16300442), (10, 8150221), (19, 4289590), (38, 2144795), (95, 857918), (190, 428959), (251, 324710), (502, 162355), (1255, 64942), (1709, 47690), (2510, 32471), (3418, 23845), (4769, 17090), (8545, 9538)]