81335950

素因数分解:

$2^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{9403}}^1$

素因数の和:9588

約数の個数: 24

約数和(自身を含む): 152175528

約数和(自身を除く): 70839578

約数列:

[1, 2, 5, 10, 25, 50, 173, 346, 865, 1730, 4325, 8650, 9403, 18806, 47015, 94030, 235075, 470150, 1626719, 3253438, 8133595, 16267190, 40667975, 81335950]

約数ペア:

[(1, 81335950), (2, 40667975), (5, 16267190), (10, 8133595), (25, 3253438), (50, 1626719), (173, 470150), (346, 235075), (865, 94030), (1730, 47015), (4325, 18806), (8650, 9403)]