56157400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21599}}^1$

素因数の和:21628

約数の個数: 48

約数和(自身を含む): 140616000

約数和(自身を除く): 84458600

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, 21599, 43198, 86396, 107995, 172792, 215990, 280787, 431980, 539975, 561574, 863960, 1079950, 1123148, 1403935, 2159900, 2246296, 2807870, 4319800, 5615740, 7019675, 11231480, 14039350, 28078700, 56157400]

約数ペア:

[(1, 56157400), (2, 28078700), (4, 14039350), (5, 11231480), (8, 7019675), (10, 5615740), (13, 4319800), (20, 2807870), (25, 2246296), (26, 2159900), (40, 1403935), (50, 1123148), (52, 1079950), (65, 863960), (100, 561574), (104, 539975), (130, 431980), (200, 280787), (260, 215990), (325, 172792), (520, 107995), (650, 86396), (1300, 43198), (2600, 21599)]