203438240

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12589}}^1$

素因数の和:12705

約数の個数: 48

約数和(自身を含む): 485420040

約数和(自身を除く): 281981800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 12589, 16160, 25178, 50356, 62945, 100712, 125890, 201424, 251780, 402848, 503560, 1007120, 1271489, 2014240, 2542978, 5085956, 6357445, 10171912, 12714890, 20343824, 25429780, 40687648, 50859560, 101719120, 203438240]

約数ペア:

[(1, 203438240), (2, 101719120), (4, 50859560), (5, 40687648), (8, 25429780), (10, 20343824), (16, 12714890), (20, 10171912), (32, 6357445), (40, 5085956), (80, 2542978), (101, 2014240), (160, 1271489), (202, 1007120), (404, 503560), (505, 402848), (808, 251780), (1010, 201424), (1616, 125890), (2020, 100712), (3232, 62945), (4040, 50356), (8080, 25178), (12589, 16160)]