27888640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 88

約数和(自身を含む): 72218160

約数和(自身を除く): 44329520

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, 419, 512, 520, 640, 832, 838, 1024, 1040, 1280, 1664, 1676, 2080, 2095, 2560, 3328, 3352, 4160, 4190, 5120, 5447, 6656, 6704, 8320, 8380, 10894, 13312, 13408, 16640, 16760, 21788, 26816, 27235, 33280, 33520, 43576, 53632, 54470, 66560, 67040, 87152, 107264, 108940, 134080, 174304, 214528, 217880, 268160, 348608, 429056, 435760, 536320, 697216, 871520, 1072640, 1394432, 1743040, 2145280, 2788864, 3486080, 5577728, 6972160, 13944320, 27888640]

約数ペア:

[(1, 27888640), (2, 13944320), (4, 6972160), (5, 5577728), (8, 3486080), (10, 2788864), (13, 2145280), (16, 1743040), (20, 1394432), (26, 1072640), (32, 871520), (40, 697216), (52, 536320), (64, 435760), (65, 429056), (80, 348608), (104, 268160), (128, 217880), (130, 214528), (160, 174304), (208, 134080), (256, 108940), (260, 107264), (320, 87152), (416, 67040), (419, 66560), (512, 54470), (520, 53632), (640, 43576), (832, 33520), (838, 33280), (1024, 27235), (1040, 26816), (1280, 21788), (1664, 16760), (1676, 16640), (2080, 13408), (2095, 13312), (2560, 10894), (3328, 8380), (3352, 8320), (4160, 6704), (4190, 6656), (5120, 5447)]