52156400

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1291}}^1$

素因数の和:1410

約数の個数: 60

約数和(自身を含む): 126644424

約数和(自身を除く): 74488024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 808, 1010, 1291, 1616, 2020, 2525, 2582, 4040, 5050, 5164, 6455, 8080, 10100, 10328, 12910, 20200, 20656, 25820, 32275, 40400, 51640, 64550, 103280, 129100, 130391, 258200, 260782, 516400, 521564, 651955, 1043128, 1303910, 2086256, 2607820, 3259775, 5215640, 6519550, 10431280, 13039100, 26078200, 52156400]

約数ペア:

[(1, 52156400), (2, 26078200), (4, 13039100), (5, 10431280), (8, 6519550), (10, 5215640), (16, 3259775), (20, 2607820), (25, 2086256), (40, 1303910), (50, 1043128), (80, 651955), (100, 521564), (101, 516400), (200, 260782), (202, 258200), (400, 130391), (404, 129100), (505, 103280), (808, 64550), (1010, 51640), (1291, 40400), (1616, 32275), (2020, 25820), (2525, 20656), (2582, 20200), (4040, 12910), (5050, 10328), (5164, 10100), (6455, 8080)]