1327420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 2878848

約数和(自身を除く): 1551428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2141, 4282, 8564, 10705, 21410, 42820, 66371, 132742, 265484, 331855, 663710, 1327420]

約数ペア:

[(1, 1327420), (2, 663710), (4, 331855), (5, 265484), (10, 132742), (20, 66371), (31, 42820), (62, 21410), (124, 10705), (155, 8564), (310, 4282), (620, 2141)]