25411210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21001}}^1$

素因数の和:21030

約数の個数: 24

約数和(自身を含む): 50278788

約数和(自身を除く): 24867578

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 21001, 42002, 105005, 210010, 231011, 462022, 1155055, 2310110, 2541121, 5082242, 12705605, 25411210]

約数ペア:

[(1, 25411210), (2, 12705605), (5, 5082242), (10, 2541121), (11, 2310110), (22, 1155055), (55, 462022), (110, 231011), (121, 210010), (242, 105005), (605, 42002), (1210, 21001)]