72918500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{3557}}^1$

素因数の和:3617

約数の個数: 48

約数和(自身を含む): 163184112

約数和(自身を除く): 90265612

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1025, 2050, 3557, 4100, 5125, 7114, 10250, 14228, 17785, 20500, 35570, 71140, 88925, 145837, 177850, 291674, 355700, 444625, 583348, 729185, 889250, 1458370, 1778500, 2916740, 3645925, 7291850, 14583700, 18229625, 36459250, 72918500]

約数ペア:

[(1, 72918500), (2, 36459250), (4, 18229625), (5, 14583700), (10, 7291850), (20, 3645925), (25, 2916740), (41, 1778500), (50, 1458370), (82, 889250), (100, 729185), (125, 583348), (164, 444625), (205, 355700), (250, 291674), (410, 177850), (500, 145837), (820, 88925), (1025, 71140), (2050, 35570), (3557, 20500), (4100, 17785), (5125, 14228), (7114, 10250)]