2082804520

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{52543}}^1$

素因数の和:53545

約数の個数: 32

約数和(自身を含む): 4691128320

約数和(自身を除く): 2608323800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 7928, 9910, 19820, 39640, 52543, 105086, 210172, 262715, 420344, 525430, 1050860, 2101720, 52070113, 104140226, 208280452, 260350565, 416560904, 520701130, 1041402260, 2082804520]

約数ペア:

[(1, 2082804520), (2, 1041402260), (4, 520701130), (5, 416560904), (8, 260350565), (10, 208280452), (20, 104140226), (40, 52070113), (991, 2101720), (1982, 1050860), (3964, 525430), (4955, 420344), (7928, 262715), (9910, 210172), (19820, 105086), (39640, 52543)]