205300540

素因数分解:

$2^2\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{4817}}^1$

素因数の和:6957

約数の個数: 24

約数和(自身を含む): 431422992

約数和(自身を除く): 226122452

約数列:

[1, 2, 4, 5, 10, 20, 2131, 4262, 4817, 8524, 9634, 10655, 19268, 21310, 24085, 42620, 48170, 96340, 10265027, 20530054, 41060108, 51325135, 102650270, 205300540]

約数ペア:

[(1, 205300540), (2, 102650270), (4, 51325135), (5, 41060108), (10, 20530054), (20, 10265027), (2131, 96340), (4262, 48170), (4817, 42620), (8524, 24085), (9634, 21310), (10655, 19268)]