204045140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{784789}}^1$

素因数の和:784811

約数の個数: 24

約数和(自身を含む): 461456520

約数和(自身を除く): 257411380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 784789, 1569578, 3139156, 3923945, 7847890, 10202257, 15695780, 20404514, 40809028, 51011285, 102022570, 204045140]

約数ペア:

[(1, 204045140), (2, 102022570), (4, 51011285), (5, 40809028), (10, 20404514), (13, 15695780), (20, 10202257), (26, 7847890), (52, 3923945), (65, 3139156), (130, 1569578), (260, 784789)]