72401900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{17659}}^1$

素因数の和:17714

約数の個数: 36

約数和(自身を含む): 160953240

約数和(自身を除く): 88551340

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 17659, 35318, 70636, 88295, 176590, 353180, 441475, 724019, 882950, 1448038, 1765900, 2896076, 3620095, 7240190, 14480380, 18100475, 36200950, 72401900]

約数ペア:

[(1, 72401900), (2, 36200950), (4, 18100475), (5, 14480380), (10, 7240190), (20, 3620095), (25, 2896076), (41, 1765900), (50, 1448038), (82, 882950), (100, 724019), (164, 441475), (205, 353180), (410, 176590), (820, 88295), (1025, 70636), (2050, 35318), (4100, 17659)]