51245860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{30871}}^1$

素因数の和:30963

約数の個数: 24

約数和(自身を含む): 108916416

約数和(自身を除く): 57670556

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 30871, 61742, 123484, 154355, 308710, 617420, 2562293, 5124586, 10249172, 12811465, 25622930, 51245860]

約数ペア:

[(1, 51245860), (2, 25622930), (4, 12811465), (5, 10249172), (10, 5124586), (20, 2562293), (83, 617420), (166, 308710), (332, 154355), (415, 123484), (830, 61742), (1660, 30871)]