165301240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317887}}^1$

素因数の和:317911

約数の個数: 32

約数和(自身を含む): 400538880

約数和(自身を除く): 235237640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 317887, 635774, 1271548, 1589435, 2543096, 3178870, 4132531, 6357740, 8265062, 12715480, 16530124, 20662655, 33060248, 41325310, 82650620, 165301240]

約数ペア:

[(1, 165301240), (2, 82650620), (4, 41325310), (5, 33060248), (8, 20662655), (10, 16530124), (13, 12715480), (20, 8265062), (26, 6357740), (40, 4132531), (52, 3178870), (65, 2543096), (104, 1589435), (130, 1271548), (260, 635774), (520, 317887)]