71496760

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{18427}}^1$

素因数の和:18535

約数の個数: 32

約数和(自身を含む): 162534960

約数和(自身を除く): 91038200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 18427, 36854, 73708, 92135, 147416, 184270, 368540, 737080, 1787419, 3574838, 7149676, 8937095, 14299352, 17874190, 35748380, 71496760]

約数ペア:

[(1, 71496760), (2, 35748380), (4, 17874190), (5, 14299352), (8, 8937095), (10, 7149676), (20, 3574838), (40, 1787419), (97, 737080), (194, 368540), (388, 184270), (485, 147416), (776, 92135), (970, 73708), (1940, 36854), (3880, 18427)]