2779400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1069}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 6965700

約数和(自身を除く): 4186300

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1069, 1300, 2138, 2600, 4276, 5345, 8552, 10690, 13897, 21380, 26725, 27794, 42760, 53450, 55588, 69485, 106900, 111176, 138970, 213800, 277940, 347425, 555880, 694850, 1389700, 2779400]

約数ペア:

[(1, 2779400), (2, 1389700), (4, 694850), (5, 555880), (8, 347425), (10, 277940), (13, 213800), (20, 138970), (25, 111176), (26, 106900), (40, 69485), (50, 55588), (52, 53450), (65, 42760), (100, 27794), (104, 26725), (130, 21380), (200, 13897), (260, 10690), (325, 8552), (520, 5345), (650, 4276), (1069, 2600), (1300, 2138)]