201945320

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27893}}^1$

素因数の和:28085

約数の個数: 32

約数和(自身を含む): 456903720

約数和(自身を除く): 254958400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27893, 55786, 111572, 139465, 223144, 278930, 557860, 1115720, 5048633, 10097266, 20194532, 25243165, 40389064, 50486330, 100972660, 201945320]

約数ペア:

[(1, 201945320), (2, 100972660), (4, 50486330), (5, 40389064), (8, 25243165), (10, 20194532), (20, 10097266), (40, 5048633), (181, 1115720), (362, 557860), (724, 278930), (905, 223144), (1448, 139465), (1810, 111572), (3620, 55786), (7240, 27893)]