2058403780

素因数分解:

$2^2\times 5^1\times {\mathrm{3989}}^1\times {\mathrm{25801}}^1$

素因数の和:29799

約数の個数: 24

約数和(自身を含む): 4323899160

約数和(自身を除く): 2265495380

約数列:

[1, 2, 4, 5, 10, 20, 3989, 7978, 15956, 19945, 25801, 39890, 51602, 79780, 103204, 129005, 258010, 516020, 102920189, 205840378, 411680756, 514600945, 1029201890, 2058403780]

約数ペア:

[(1, 2058403780), (2, 1029201890), (4, 514600945), (5, 411680756), (10, 205840378), (20, 102920189), (3989, 516020), (7978, 258010), (15956, 129005), (19945, 103204), (25801, 79780), (39890, 51602)]