54400000

素因数分解:

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

素因数の和:62

約数の個数: 132

約数和(自身を含む): 143920476

約数和(自身を除く): 89520476

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, 3125, 3200, 3400, 4000, 4250, 4352, 5000, 5120, 5440, 6250, 6400, 6800, 8000, 8500, 8704, 10000, 10625, 10880, 12500, 12800, 13600, 16000, 17000, 17408, 20000, 21250, 21760, 25000, 25600, 27200, 32000, 34000, 40000, 42500, 43520, 50000, 53125, 54400, 64000, 68000, 80000, 85000, 87040, 100000, 106250, 108800, 128000, 136000, 160000, 170000, 200000, 212500, 217600, 272000, 320000, 340000, 400000, 425000, 435200, 544000, 640000, 680000, 800000, 850000, 1088000, 1360000, 1600000, 1700000, 2176000, 2720000, 3200000, 3400000, 5440000, 6800000, 10880000, 13600000, 27200000, 54400000]

約数ペア:

[(1, 54400000), (2, 27200000), (4, 13600000), (5, 10880000), (8, 6800000), (10, 5440000), (16, 3400000), (17, 3200000), (20, 2720000), (25, 2176000), (32, 1700000), (34, 1600000), (40, 1360000), (50, 1088000), (64, 850000), (68, 800000), (80, 680000), (85, 640000), (100, 544000), (125, 435200), (128, 425000), (136, 400000), (160, 340000), (170, 320000), (200, 272000), (250, 217600), (256, 212500), (272, 200000), (320, 170000), (340, 160000), (400, 136000), (425, 128000), (500, 108800), (512, 106250), (544, 100000), (625, 87040), (640, 85000), (680, 80000), (800, 68000), (850, 64000), (1000, 54400), (1024, 53125), (1088, 50000), (1250, 43520), (1280, 42500), (1360, 40000), (1600, 34000), (1700, 32000), (2000, 27200), (2125, 25600), (2176, 25000), (2500, 21760), (2560, 21250), (2720, 20000), (3125, 17408), (3200, 17000), (3400, 16000), (4000, 13600), (4250, 12800), (4352, 12500), (5000, 10880), (5120, 10625), (5440, 10000), (6250, 8704), (6400, 8500), (6800, 8000)]