165280700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127139}}^1$

素因数の和:127166

約数の個数: 36

約数和(自身を含む): 386251320

約数和(自身を除く): 220970620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 127139, 254278, 508556, 635695, 1271390, 1652807, 2542780, 3178475, 3305614, 6356950, 6611228, 8264035, 12713900, 16528070, 33056140, 41320175, 82640350, 165280700]

約数ペア:

[(1, 165280700), (2, 82640350), (4, 41320175), (5, 33056140), (10, 16528070), (13, 12713900), (20, 8264035), (25, 6611228), (26, 6356950), (50, 3305614), (52, 3178475), (65, 2542780), (100, 1652807), (130, 1271390), (260, 635695), (325, 508556), (650, 254278), (1300, 127139)]