200917240

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27751}}^1$

素因数の和:27943

約数の個数: 32

約数和(自身を含む): 454577760

約数和(自身を除く): 253660520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27751, 55502, 111004, 138755, 222008, 277510, 555020, 1110040, 5022931, 10045862, 20091724, 25114655, 40183448, 50229310, 100458620, 200917240]

約数ペア:

[(1, 200917240), (2, 100458620), (4, 50229310), (5, 40183448), (8, 25114655), (10, 20091724), (20, 10045862), (40, 5022931), (181, 1110040), (362, 555020), (724, 277510), (905, 222008), (1448, 138755), (1810, 111004), (3620, 55502), (7240, 27751)]