25807790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 47609856

約数和(自身を除く): 21802066

約数列:

[1, 2, 5, 10, 71, 142, 163, 223, 326, 355, 446, 710, 815, 1115, 1630, 2230, 11573, 15833, 23146, 31666, 36349, 57865, 72698, 79165, 115730, 158330, 181745, 363490, 2580779, 5161558, 12903895, 25807790]

約数ペア:

[(1, 25807790), (2, 12903895), (5, 5161558), (10, 2580779), (71, 363490), (142, 181745), (163, 158330), (223, 115730), (326, 79165), (355, 72698), (446, 57865), (710, 36349), (815, 31666), (1115, 23146), (1630, 15833), (2230, 11573)]