128028160

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3847}}^1$

素因数の和:3883

約数の個数: 80

約数和(自身を含む): 330666336

約数和(自身を除く): 202638176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 3847, 4160, 6656, 7694, 8320, 15388, 16640, 19235, 30776, 33280, 38470, 50011, 61552, 76940, 100022, 123104, 153880, 200044, 246208, 250055, 307760, 400088, 492416, 500110, 615520, 800176, 984832, 1000220, 1231040, 1600352, 1969664, 2000440, 2462080, 3200704, 4000880, 4924160, 6401408, 8001760, 9848320, 12802816, 16003520, 25605632, 32007040, 64014080, 128028160]

約数ペア:

[(1, 128028160), (2, 64014080), (4, 32007040), (5, 25605632), (8, 16003520), (10, 12802816), (13, 9848320), (16, 8001760), (20, 6401408), (26, 4924160), (32, 4000880), (40, 3200704), (52, 2462080), (64, 2000440), (65, 1969664), (80, 1600352), (104, 1231040), (128, 1000220), (130, 984832), (160, 800176), (208, 615520), (256, 500110), (260, 492416), (320, 400088), (416, 307760), (512, 250055), (520, 246208), (640, 200044), (832, 153880), (1040, 123104), (1280, 100022), (1664, 76940), (2080, 61552), (2560, 50011), (3328, 38470), (3847, 33280), (4160, 30776), (6656, 19235), (7694, 16640), (8320, 15388)]