28132100

素因数分解:

$2^2\times 5^2\times {\mathrm{281321}}^1$

素因数の和:281335

約数の個数: 18

約数和(自身を含む): 61046874

約数和(自身を除く): 32914774

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 281321, 562642, 1125284, 1406605, 2813210, 5626420, 7033025, 14066050, 28132100]

約数ペア:

[(1, 28132100), (2, 14066050), (4, 7033025), (5, 5626420), (10, 2813210), (20, 1406605), (25, 1125284), (50, 562642), (100, 281321)]