28057220

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5821}}^1$

素因数の和:6071

約数の個数: 24

約数和(自身を含む): 59174808

約数和(自身を除く): 31117588

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 5821, 11642, 23284, 29105, 58210, 116420, 1402861, 2805722, 5611444, 7014305, 14028610, 28057220]

約数ペア:

[(1, 28057220), (2, 14028610), (4, 7014305), (5, 5611444), (10, 2805722), (20, 1402861), (241, 116420), (482, 58210), (964, 29105), (1205, 23284), (2410, 11642), (4820, 5821)]