136408040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1117}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 318764160

約数和(自身を除く): 182356120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 710, 860, 1117, 1420, 1720, 2234, 2840, 3053, 4468, 5585, 6106, 8936, 11170, 12212, 15265, 22340, 24424, 30530, 44680, 48031, 61060, 79307, 96062, 122120, 158614, 192124, 240155, 317228, 384248, 396535, 480310, 634456, 793070, 960620, 1586140, 1921240, 3172280, 3410201, 6820402, 13640804, 17051005, 27281608, 34102010, 68204020, 136408040]

約数ペア:

[(1, 136408040), (2, 68204020), (4, 34102010), (5, 27281608), (8, 17051005), (10, 13640804), (20, 6820402), (40, 3410201), (43, 3172280), (71, 1921240), (86, 1586140), (142, 960620), (172, 793070), (215, 634456), (284, 480310), (344, 396535), (355, 384248), (430, 317228), (568, 240155), (710, 192124), (860, 158614), (1117, 122120), (1420, 96062), (1720, 79307), (2234, 61060), (2840, 48031), (3053, 44680), (4468, 30530), (5585, 24424), (6106, 22340), (8936, 15265), (11170, 12212)]