42650500

素因数分解:

$2^2\times 5^3\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 93837744

約数和(自身を除く): 51187244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 197, 250, 394, 433, 500, 788, 866, 985, 1732, 1970, 2165, 3940, 4330, 4925, 8660, 9850, 10825, 19700, 21650, 24625, 43300, 49250, 54125, 85301, 98500, 108250, 170602, 216500, 341204, 426505, 853010, 1706020, 2132525, 4265050, 8530100, 10662625, 21325250, 42650500]

約数ペア:

[(1, 42650500), (2, 21325250), (4, 10662625), (5, 8530100), (10, 4265050), (20, 2132525), (25, 1706020), (50, 853010), (100, 426505), (125, 341204), (197, 216500), (250, 170602), (394, 108250), (433, 98500), (500, 85301), (788, 54125), (866, 49250), (985, 43300), (1732, 24625), (1970, 21650), (2165, 19700), (3940, 10825), (4330, 9850), (4925, 8660)]