810940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3119}}^1$

素因数の和:3141

約数の個数: 24

約数和(自身を含む): 1834560

約数和(自身を除く): 1023620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3119, 6238, 12476, 15595, 31190, 40547, 62380, 81094, 162188, 202735, 405470, 810940]

約数ペア:

[(1, 810940), (2, 405470), (4, 202735), (5, 162188), (10, 81094), (13, 62380), (20, 40547), (26, 31190), (52, 15595), (65, 12476), (130, 6238), (260, 3119)]