20173400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7759}}^1$

素因数の和:7788

約数の個数: 48

約数和(自身を含む): 50517600

約数和(自身を除く): 30344200

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, 7759, 15518, 31036, 38795, 62072, 77590, 100867, 155180, 193975, 201734, 310360, 387950, 403468, 504335, 775900, 806936, 1008670, 1551800, 2017340, 2521675, 4034680, 5043350, 10086700, 20173400]

約数ペア:

[(1, 20173400), (2, 10086700), (4, 5043350), (5, 4034680), (8, 2521675), (10, 2017340), (13, 1551800), (20, 1008670), (25, 806936), (26, 775900), (40, 504335), (50, 403468), (52, 387950), (65, 310360), (100, 201734), (104, 193975), (130, 155180), (200, 100867), (260, 77590), (325, 62072), (520, 38795), (650, 31036), (1300, 15518), (2600, 7759)]