16439680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1511}}^1$

素因数の和:1547

約数の個数: 64

約数和(自身を含む): 41640480

約数和(自身を除く): 25200800

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, 1360, 1511, 2176, 2720, 3022, 5440, 6044, 7555, 10880, 12088, 15110, 24176, 25687, 30220, 48352, 51374, 60440, 96704, 102748, 120880, 128435, 193408, 205496, 241760, 256870, 410992, 483520, 513740, 821984, 967040, 1027480, 1643968, 2054960, 3287936, 4109920, 8219840, 16439680]

約数ペア:

[(1, 16439680), (2, 8219840), (4, 4109920), (5, 3287936), (8, 2054960), (10, 1643968), (16, 1027480), (17, 967040), (20, 821984), (32, 513740), (34, 483520), (40, 410992), (64, 256870), (68, 241760), (80, 205496), (85, 193408), (128, 128435), (136, 120880), (160, 102748), (170, 96704), (272, 60440), (320, 51374), (340, 48352), (544, 30220), (640, 25687), (680, 24176), (1088, 15110), (1360, 12088), (1511, 10880), (2176, 7555), (2720, 6044), (3022, 5440)]