72926620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280487}}^1$

素因数の和:280509

約数の個数: 24

約数和(自身を含む): 164926944

約数和(自身を除く): 92000324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 280487, 560974, 1121948, 1402435, 2804870, 3646331, 5609740, 7292662, 14585324, 18231655, 36463310, 72926620]

約数ペア:

[(1, 72926620), (2, 36463310), (4, 18231655), (5, 14585324), (10, 7292662), (13, 5609740), (20, 3646331), (26, 2804870), (52, 1402435), (65, 1121948), (130, 560974), (260, 280487)]