135128500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20789}}^1$

素因数の和:20821

約数の個数: 48

約数和(自身を含む): 317837520

約数和(自身を除く): 182709020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 20789, 41578, 83156, 103945, 207890, 270257, 415780, 519725, 540514, 1039450, 1081028, 1351285, 2078900, 2598625, 2702570, 5197250, 5405140, 6756425, 10394500, 13512850, 27025700, 33782125, 67564250, 135128500]

約数ペア:

[(1, 135128500), (2, 67564250), (4, 33782125), (5, 27025700), (10, 13512850), (13, 10394500), (20, 6756425), (25, 5405140), (26, 5197250), (50, 2702570), (52, 2598625), (65, 2078900), (100, 1351285), (125, 1081028), (130, 1039450), (250, 540514), (260, 519725), (325, 415780), (500, 270257), (650, 207890), (1300, 103945), (1625, 83156), (3250, 41578), (6500, 20789)]