202460840

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{25693}}^1$

素因数の和:25901

約数の個数: 32

約数和(自身を含む): 457867080

約数和(自身を除く): 255406240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 25693, 51386, 102772, 128465, 205544, 256930, 513860, 1027720, 5061521, 10123042, 20246084, 25307605, 40492168, 50615210, 101230420, 202460840]

約数ペア:

[(1, 202460840), (2, 101230420), (4, 50615210), (5, 40492168), (8, 25307605), (10, 20246084), (20, 10123042), (40, 5061521), (197, 1027720), (394, 513860), (788, 256930), (985, 205544), (1576, 128465), (1970, 102772), (3940, 51386), (7880, 25693)]