21760000

素因数分解:

$2^{11}\times 5^4\times {\mathrm{17}}^1$

素因数の和:59

約数の個数: 120

約数和(自身を含む): 57567510

約数和(自身を除く): 35807510

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, 2048, 2125, 2176, 2500, 2560, 2720, 3200, 3400, 4000, 4250, 4352, 5000, 5120, 5440, 6400, 6800, 8000, 8500, 8704, 10000, 10240, 10625, 10880, 12800, 13600, 16000, 17000, 17408, 20000, 21250, 21760, 25600, 27200, 32000, 34000, 34816, 40000, 42500, 43520, 51200, 54400, 64000, 68000, 80000, 85000, 87040, 108800, 128000, 136000, 160000, 170000, 174080, 217600, 256000, 272000, 320000, 340000, 435200, 544000, 640000, 680000, 870400, 1088000, 1280000, 1360000, 2176000, 2720000, 4352000, 5440000, 10880000, 21760000]

約数ペア:

[(1, 21760000), (2, 10880000), (4, 5440000), (5, 4352000), (8, 2720000), (10, 2176000), (16, 1360000), (17, 1280000), (20, 1088000), (25, 870400), (32, 680000), (34, 640000), (40, 544000), (50, 435200), (64, 340000), (68, 320000), (80, 272000), (85, 256000), (100, 217600), (125, 174080), (128, 170000), (136, 160000), (160, 136000), (170, 128000), (200, 108800), (250, 87040), (256, 85000), (272, 80000), (320, 68000), (340, 64000), (400, 54400), (425, 51200), (500, 43520), (512, 42500), (544, 40000), (625, 34816), (640, 34000), (680, 32000), (800, 27200), (850, 25600), (1000, 21760), (1024, 21250), (1088, 20000), (1250, 17408), (1280, 17000), (1360, 16000), (1600, 13600), (1700, 12800), (2000, 10880), (2048, 10625), (2125, 10240), (2176, 10000), (2500, 8704), (2560, 8500), (2720, 8000), (3200, 6800), (3400, 6400), (4000, 5440), (4250, 5120), (4352, 5000)]