127345420

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{4519}}^1$

素因数の和:5937

約数の個数: 24

約数和(自身を含む): 267674400

約数和(自身を除く): 140328980

約数列:

[1, 2, 4, 5, 10, 20, 1409, 2818, 4519, 5636, 7045, 9038, 14090, 18076, 22595, 28180, 45190, 90380, 6367271, 12734542, 25469084, 31836355, 63672710, 127345420]

約数ペア:

[(1, 127345420), (2, 63672710), (4, 31836355), (5, 25469084), (10, 12734542), (20, 6367271), (1409, 90380), (2818, 45190), (4519, 28180), (5636, 22595), (7045, 18076), (9038, 14090)]