2051212925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{44519}}^1$

素因数の和:44645

約数の個数: 24

約数和(自身を含む): 2705035200

約数和(自身を除く): 653822275

約数列:

[1, 5, 19, 25, 95, 97, 475, 485, 1843, 2425, 9215, 44519, 46075, 222595, 845861, 1112975, 4229305, 4318343, 21146525, 21591715, 82048517, 107958575, 410242585, 2051212925]

約数ペア:

[(1, 2051212925), (5, 410242585), (19, 107958575), (25, 82048517), (95, 21591715), (97, 21146525), (475, 4318343), (485, 4229305), (1843, 1112975), (2425, 845861), (9215, 222595), (44519, 46075)]