18769400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7219}}^1$

素因数の和:7248

約数の個数: 48

約数和(自身を含む): 47002200

約数和(自身を除く): 28232800

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, 1300, 2600, 7219, 14438, 28876, 36095, 57752, 72190, 93847, 144380, 180475, 187694, 288760, 360950, 375388, 469235, 721900, 750776, 938470, 1443800, 1876940, 2346175, 3753880, 4692350, 9384700, 18769400]

約数ペア:

[(1, 18769400), (2, 9384700), (4, 4692350), (5, 3753880), (8, 2346175), (10, 1876940), (13, 1443800), (20, 938470), (25, 750776), (26, 721900), (40, 469235), (50, 375388), (52, 360950), (65, 288760), (100, 187694), (104, 180475), (130, 144380), (200, 93847), (260, 72190), (325, 57752), (520, 36095), (650, 28876), (1300, 14438), (2600, 7219)]