201284920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{49823}}^1$

素因数の和:49935

約数の個数: 32

約数和(自身を含む): 457384320

約数和(自身を除く): 256099400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 49823, 99646, 199292, 249115, 398584, 498230, 996460, 1992920, 5032123, 10064246, 20128492, 25160615, 40256984, 50321230, 100642460, 201284920]

約数ペア:

[(1, 201284920), (2, 100642460), (4, 50321230), (5, 40256984), (8, 25160615), (10, 20128492), (20, 10064246), (40, 5032123), (101, 1992920), (202, 996460), (404, 498230), (505, 398584), (808, 249115), (1010, 199292), (2020, 99646), (4040, 49823)]