10880000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{17}}^1$

素因数の和:57

約数の個数: 110

約数和(自身を含む): 28776726

約数和(自身を除く): 17896726

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 128, 136, 160, 170, 200, 250, 256, 272, 320, 340, 400, 425, 500, 512, 544, 625, 640, 680, 800, 850, 1000, 1024, 1088, 1250, 1280, 1360, 1600, 1700, 2000, 2125, 2176, 2500, 2560, 2720, 3200, 3400, 4000, 4250, 4352, 5000, 5120, 5440, 6400, 6800, 8000, 8500, 8704, 10000, 10625, 10880, 12800, 13600, 16000, 17000, 17408, 20000, 21250, 21760, 25600, 27200, 32000, 34000, 40000, 42500, 43520, 54400, 64000, 68000, 80000, 85000, 87040, 108800, 128000, 136000, 160000, 170000, 217600, 272000, 320000, 340000, 435200, 544000, 640000, 680000, 1088000, 1360000, 2176000, 2720000, 5440000, 10880000]

約数ペア:

[(1, 10880000), (2, 5440000), (4, 2720000), (5, 2176000), (8, 1360000), (10, 1088000), (16, 680000), (17, 640000), (20, 544000), (25, 435200), (32, 340000), (34, 320000), (40, 272000), (50, 217600), (64, 170000), (68, 160000), (80, 136000), (85, 128000), (100, 108800), (125, 87040), (128, 85000), (136, 80000), (160, 68000), (170, 64000), (200, 54400), (250, 43520), (256, 42500), (272, 40000), (320, 34000), (340, 32000), (400, 27200), (425, 25600), (500, 21760), (512, 21250), (544, 20000), (625, 17408), (640, 17000), (680, 16000), (800, 13600), (850, 12800), (1000, 10880), (1024, 10625), (1088, 10000), (1250, 8704), (1280, 8500), (1360, 8000), (1600, 6800), (1700, 6400), (2000, 5440), (2125, 5120), (2176, 5000), (2500, 4352), (2560, 4250), (2720, 4000), (3200, 3400)]