81954190

素因数分解:

$2^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{7949}}^1$

素因数の和:8987

約数の個数: 16

約数和(自身を含む): 147679200

約数和(自身を除く): 65725010

約数列:

[1, 2, 5, 10, 1031, 2062, 5155, 7949, 10310, 15898, 39745, 79490, 8195419, 16390838, 40977095, 81954190]

約数ペア:

[(1, 81954190), (2, 40977095), (5, 16390838), (10, 8195419), (1031, 79490), (2062, 39745), (5155, 15898), (7949, 10310)]