20627655550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{659}}^1\times {\mathrm{15269}}^1$

素因数の和:15981

約数の個数: 48

約数和(自身を含む): 39365449200

約数和(自身を除く): 18737793650

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 659, 1025, 1318, 2050, 3295, 6590, 15269, 16475, 27019, 30538, 32950, 54038, 76345, 135095, 152690, 270190, 381725, 626029, 675475, 763450, 1252058, 1350950, 3130145, 6260290, 10062271, 15650725, 20124542, 31301450, 50311355, 100622710, 251556775, 412553111, 503113550, 825106222, 2062765555, 4125531110, 10313827775, 20627655550]

約数ペア:

[(1, 20627655550), (2, 10313827775), (5, 4125531110), (10, 2062765555), (25, 825106222), (41, 503113550), (50, 412553111), (82, 251556775), (205, 100622710), (410, 50311355), (659, 31301450), (1025, 20124542), (1318, 15650725), (2050, 10062271), (3295, 6260290), (6590, 3130145), (15269, 1350950), (16475, 1252058), (27019, 763450), (30538, 675475), (32950, 626029), (54038, 381725), (76345, 270190), (135095, 152690)]