28456100

素因数分解:

$2^2\times 5^2\times {\mathrm{284561}}^1$

素因数の和:284575

約数の個数: 18

約数和(自身を含む): 61749954

約数和(自身を除く): 33293854

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 284561, 569122, 1138244, 1422805, 2845610, 5691220, 7114025, 14228050, 28456100]

約数ペア:

[(1, 28456100), (2, 14228050), (4, 7114025), (5, 5691220), (10, 2845610), (20, 1422805), (25, 1138244), (50, 569122), (100, 284561)]