51881780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{136531}}^1$

素因数の和:136559

約数の個数: 24

約数和(自身を含む): 114686880

約数和(自身を除く): 62805100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 136531, 273062, 546124, 682655, 1365310, 2594089, 2730620, 5188178, 10376356, 12970445, 25940890, 51881780]

約数ペア:

[(1, 51881780), (2, 25940890), (4, 12970445), (5, 10376356), (10, 5188178), (19, 2730620), (20, 2594089), (38, 1365310), (76, 682655), (95, 546124), (190, 273062), (380, 136531)]