78028600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30011}}^1$

素因数の和:30040

約数の個数: 48

約数和(自身を含む): 195378120

約数和(自身を除く): 117349520

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, 30011, 60022, 120044, 150055, 240088, 300110, 390143, 600220, 750275, 780286, 1200440, 1500550, 1560572, 1950715, 3001100, 3121144, 3901430, 6002200, 7802860, 9753575, 15605720, 19507150, 39014300, 78028600]

約数ペア:

[(1, 78028600), (2, 39014300), (4, 19507150), (5, 15605720), (8, 9753575), (10, 7802860), (13, 6002200), (20, 3901430), (25, 3121144), (26, 3001100), (40, 1950715), (50, 1560572), (52, 1500550), (65, 1200440), (100, 780286), (104, 750275), (130, 600220), (200, 390143), (260, 300110), (325, 240088), (520, 150055), (650, 120044), (1300, 60022), (2600, 30011)]