87721400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33739}}^1$

素因数の和:33768

約数の個数: 48

約数和(自身を含む): 219647400

約数和(自身を除く): 131926000

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, 33739, 67478, 134956, 168695, 269912, 337390, 438607, 674780, 843475, 877214, 1349560, 1686950, 1754428, 2193035, 3373900, 3508856, 4386070, 6747800, 8772140, 10965175, 17544280, 21930350, 43860700, 87721400]

約数ペア:

[(1, 87721400), (2, 43860700), (4, 21930350), (5, 17544280), (8, 10965175), (10, 8772140), (13, 6747800), (20, 4386070), (25, 3508856), (26, 3373900), (40, 2193035), (50, 1754428), (52, 1686950), (65, 1349560), (100, 877214), (104, 843475), (130, 674780), (200, 438607), (260, 337390), (325, 269912), (520, 168695), (650, 134956), (1300, 67478), (2600, 33739)]