51656780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{52711}}^1$

素因数の和:52734

約数の個数: 36

約数和(自身を含む): 126192528

約数和(自身を除く): 74535748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 52711, 105422, 210844, 263555, 368977, 527110, 737954, 1054220, 1475908, 1844885, 2582839, 3689770, 5165678, 7379540, 10331356, 12914195, 25828390, 51656780]

約数ペア:

[(1, 51656780), (2, 25828390), (4, 12914195), (5, 10331356), (7, 7379540), (10, 5165678), (14, 3689770), (20, 2582839), (28, 1844885), (35, 1475908), (49, 1054220), (70, 737954), (98, 527110), (140, 368977), (196, 263555), (245, 210844), (490, 105422), (980, 52711)]