200720575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4649}}^1$

素因数の和:4827

約数の個数: 24

約数和(自身を含む): 273308400

約数和(自身を除く): 72587825

約数列:

[1, 5, 11, 25, 55, 157, 275, 785, 1727, 3925, 4649, 8635, 23245, 43175, 51139, 116225, 255695, 729893, 1278475, 3649465, 8028823, 18247325, 40144115, 200720575]

約数ペア:

[(1, 200720575), (5, 40144115), (11, 18247325), (25, 8028823), (55, 3649465), (157, 1278475), (275, 729893), (785, 255695), (1727, 116225), (3925, 51139), (4649, 43175), (8635, 23245)]