39381520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1312

約数の個数: 80

約数和(自身を含む): 101243520

約数和(自身を除く): 61862000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1259, 1360, 1564, 1840, 1955, 2518, 3128, 3910, 5036, 6256, 6295, 7820, 10072, 12590, 15640, 20144, 21403, 25180, 28957, 31280, 42806, 50360, 57914, 85612, 100720, 107015, 115828, 144785, 171224, 214030, 231656, 289570, 342448, 428060, 463312, 492269, 579140, 856120, 984538, 1158280, 1712240, 1969076, 2316560, 2461345, 3938152, 4922690, 7876304, 9845380, 19690760, 39381520]

約数ペア:

[(1, 39381520), (2, 19690760), (4, 9845380), (5, 7876304), (8, 4922690), (10, 3938152), (16, 2461345), (17, 2316560), (20, 1969076), (23, 1712240), (34, 1158280), (40, 984538), (46, 856120), (68, 579140), (80, 492269), (85, 463312), (92, 428060), (115, 342448), (136, 289570), (170, 231656), (184, 214030), (230, 171224), (272, 144785), (340, 115828), (368, 107015), (391, 100720), (460, 85612), (680, 57914), (782, 50360), (920, 42806), (1259, 31280), (1360, 28957), (1564, 25180), (1840, 21403), (1955, 20144), (2518, 15640), (3128, 12590), (3910, 10072), (5036, 7820), (6256, 6295)]