2015802500

素因数分解:

$2^2\times 5^4\times {\mathrm{197}}^1\times {\mathrm{4093}}^1$

素因数の和:4314

約数の個数: 60

約数和(自身を含む): 4431615804

約数和(自身を除く): 2415813304

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 197, 250, 394, 500, 625, 788, 985, 1250, 1970, 2500, 3940, 4093, 4925, 8186, 9850, 16372, 19700, 20465, 24625, 40930, 49250, 81860, 98500, 102325, 123125, 204650, 246250, 409300, 492500, 511625, 806321, 1023250, 1612642, 2046500, 2558125, 3225284, 4031605, 5116250, 8063210, 10232500, 16126420, 20158025, 40316050, 80632100, 100790125, 201580250, 403160500, 503950625, 1007901250, 2015802500]

約数ペア:

[(1, 2015802500), (2, 1007901250), (4, 503950625), (5, 403160500), (10, 201580250), (20, 100790125), (25, 80632100), (50, 40316050), (100, 20158025), (125, 16126420), (197, 10232500), (250, 8063210), (394, 5116250), (500, 4031605), (625, 3225284), (788, 2558125), (985, 2046500), (1250, 1612642), (1970, 1023250), (2500, 806321), (3940, 511625), (4093, 492500), (4925, 409300), (8186, 246250), (9850, 204650), (16372, 123125), (19700, 102325), (20465, 98500), (24625, 81860), (40930, 49250)]