61081780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{98519}}^1$

素因数の和:98559

約数の個数: 24

約数和(自身を含む): 132410880

約数和(自身を除く): 71329100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 98519, 197038, 394076, 492595, 985190, 1970380, 3054089, 6108178, 12216356, 15270445, 30540890, 61081780]

約数ペア:

[(1, 61081780), (2, 30540890), (4, 15270445), (5, 12216356), (10, 6108178), (20, 3054089), (31, 1970380), (62, 985190), (124, 492595), (155, 394076), (310, 197038), (620, 98519)]