7181420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2741}}^1$

素因数の和:2881

約数の個数: 24

約数和(自身を含む): 15201648

約数和(自身を除く): 8020228

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 2741, 5482, 10964, 13705, 27410, 54820, 359071, 718142, 1436284, 1795355, 3590710, 7181420]

約数ペア:

[(1, 7181420), (2, 3590710), (4, 1795355), (5, 1436284), (10, 718142), (20, 359071), (131, 54820), (262, 27410), (524, 13705), (655, 10964), (1310, 5482), (2620, 2741)]