9681880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 24060960

約数和(自身を除く): 14379080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 433, 520, 559, 860, 866, 1118, 1720, 1732, 2165, 2236, 2795, 3464, 4330, 4472, 5590, 5629, 8660, 11180, 11258, 17320, 18619, 22360, 22516, 28145, 37238, 45032, 56290, 74476, 93095, 112580, 148952, 186190, 225160, 242047, 372380, 484094, 744760, 968188, 1210235, 1936376, 2420470, 4840940, 9681880]

約数ペア:

[(1, 9681880), (2, 4840940), (4, 2420470), (5, 1936376), (8, 1210235), (10, 968188), (13, 744760), (20, 484094), (26, 372380), (40, 242047), (43, 225160), (52, 186190), (65, 148952), (86, 112580), (104, 93095), (130, 74476), (172, 56290), (215, 45032), (260, 37238), (344, 28145), (430, 22516), (433, 22360), (520, 18619), (559, 17320), (860, 11258), (866, 11180), (1118, 8660), (1720, 5629), (1732, 5590), (2165, 4472), (2236, 4330), (2795, 3464)]