13697920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1295

約数の個数: 64

約数和(自身を含む): 34700400

約数和(自身を除く): 21002480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1259, 1360, 2176, 2518, 2720, 5036, 5440, 6295, 10072, 10880, 12590, 20144, 21403, 25180, 40288, 42806, 50360, 80576, 85612, 100720, 107015, 161152, 171224, 201440, 214030, 342448, 402880, 428060, 684896, 805760, 856120, 1369792, 1712240, 2739584, 3424480, 6848960, 13697920]

約数ペア:

[(1, 13697920), (2, 6848960), (4, 3424480), (5, 2739584), (8, 1712240), (10, 1369792), (16, 856120), (17, 805760), (20, 684896), (32, 428060), (34, 402880), (40, 342448), (64, 214030), (68, 201440), (80, 171224), (85, 161152), (128, 107015), (136, 100720), (160, 85612), (170, 80576), (272, 50360), (320, 42806), (340, 40288), (544, 25180), (640, 21403), (680, 20144), (1088, 12590), (1259, 10880), (1360, 10072), (2176, 6295), (2518, 5440), (2720, 5036)]