97279640

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{9463}}^1$

素因数の和:9731

約数の個数: 32

約数和(自身を含む): 219754080

約数和(自身を除く): 122474440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 9463, 10280, 18926, 37852, 47315, 75704, 94630, 189260, 378520, 2431991, 4863982, 9727964, 12159955, 19455928, 24319910, 48639820, 97279640]

約数ペア:

[(1, 97279640), (2, 48639820), (4, 24319910), (5, 19455928), (8, 12159955), (10, 9727964), (20, 4863982), (40, 2431991), (257, 378520), (514, 189260), (1028, 94630), (1285, 75704), (2056, 47315), (2570, 37852), (5140, 18926), (9463, 10280)]