16864000

素因数分解:

$2^8\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 45916416

約数和(自身を除く): 29052416

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 62, 64, 68, 80, 85, 100, 124, 125, 128, 136, 155, 160, 170, 200, 248, 250, 256, 272, 310, 320, 340, 400, 425, 496, 500, 527, 544, 620, 640, 680, 775, 800, 850, 992, 1000, 1054, 1088, 1240, 1280, 1360, 1550, 1600, 1700, 1984, 2000, 2108, 2125, 2176, 2480, 2635, 2720, 3100, 3200, 3400, 3875, 3968, 4000, 4216, 4250, 4352, 4960, 5270, 5440, 6200, 6400, 6800, 7750, 7936, 8000, 8432, 8500, 9920, 10540, 10880, 12400, 13175, 13600, 15500, 16000, 16864, 17000, 19840, 21080, 21760, 24800, 26350, 27200, 31000, 32000, 33728, 34000, 39680, 42160, 49600, 52700, 54400, 62000, 65875, 67456, 68000, 84320, 99200, 105400, 108800, 124000, 131750, 134912, 136000, 168640, 198400, 210800, 248000, 263500, 272000, 337280, 421600, 496000, 527000, 544000, 674560, 843200, 992000, 1054000, 1686400, 2108000, 3372800, 4216000, 8432000, 16864000]

約数ペア:

[(1, 16864000), (2, 8432000), (4, 4216000), (5, 3372800), (8, 2108000), (10, 1686400), (16, 1054000), (17, 992000), (20, 843200), (25, 674560), (31, 544000), (32, 527000), (34, 496000), (40, 421600), (50, 337280), (62, 272000), (64, 263500), (68, 248000), (80, 210800), (85, 198400), (100, 168640), (124, 136000), (125, 134912), (128, 131750), (136, 124000), (155, 108800), (160, 105400), (170, 99200), (200, 84320), (248, 68000), (250, 67456), (256, 65875), (272, 62000), (310, 54400), (320, 52700), (340, 49600), (400, 42160), (425, 39680), (496, 34000), (500, 33728), (527, 32000), (544, 31000), (620, 27200), (640, 26350), (680, 24800), (775, 21760), (800, 21080), (850, 19840), (992, 17000), (1000, 16864), (1054, 16000), (1088, 15500), (1240, 13600), (1280, 13175), (1360, 12400), (1550, 10880), (1600, 10540), (1700, 9920), (1984, 8500), (2000, 8432), (2108, 8000), (2125, 7936), (2176, 7750), (2480, 6800), (2635, 6400), (2720, 6200), (3100, 5440), (3200, 5270), (3400, 4960), (3875, 4352), (3968, 4250), (4000, 4216)]