4198550

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:784

約数の個数: 24

約数和(自身を含む): 7881192

約数和(自身を除く): 3682642

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 641, 655, 1282, 1310, 3205, 3275, 6410, 6550, 16025, 32050, 83971, 167942, 419855, 839710, 2099275, 4198550]

約数ペア:

[(1, 4198550), (2, 2099275), (5, 839710), (10, 419855), (25, 167942), (50, 83971), (131, 32050), (262, 16025), (641, 6550), (655, 6410), (1282, 3275), (1310, 3205)]