25866100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 61355448

約数和(自身を除く): 35489348

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 101, 130, 197, 202, 260, 325, 394, 404, 505, 650, 788, 985, 1010, 1300, 1313, 1970, 2020, 2525, 2561, 2626, 3940, 4925, 5050, 5122, 5252, 6565, 9850, 10100, 10244, 12805, 13130, 19700, 19897, 25610, 26260, 32825, 39794, 51220, 64025, 65650, 79588, 99485, 128050, 131300, 198970, 256100, 258661, 397940, 497425, 517322, 994850, 1034644, 1293305, 1989700, 2586610, 5173220, 6466525, 12933050, 25866100]

約数ペア:

[(1, 25866100), (2, 12933050), (4, 6466525), (5, 5173220), (10, 2586610), (13, 1989700), (20, 1293305), (25, 1034644), (26, 994850), (50, 517322), (52, 497425), (65, 397940), (100, 258661), (101, 256100), (130, 198970), (197, 131300), (202, 128050), (260, 99485), (325, 79588), (394, 65650), (404, 64025), (505, 51220), (650, 39794), (788, 32825), (985, 26260), (1010, 25610), (1300, 19897), (1313, 19700), (1970, 13130), (2020, 12805), (2525, 10244), (2561, 10100), (2626, 9850), (3940, 6565), (4925, 5252), (5050, 5122)]