28088320

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 72923760

約数和(自身を除く): 44835440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 211, 256, 260, 320, 416, 422, 512, 520, 640, 832, 844, 1024, 1040, 1055, 1280, 1664, 1688, 2048, 2080, 2110, 2560, 2743, 3328, 3376, 4160, 4220, 5120, 5486, 6656, 6752, 8320, 8440, 10240, 10972, 13312, 13504, 13715, 16640, 16880, 21944, 26624, 27008, 27430, 33280, 33760, 43888, 54016, 54860, 66560, 67520, 87776, 108032, 109720, 133120, 135040, 175552, 216064, 219440, 270080, 351104, 432128, 438880, 540160, 702208, 877760, 1080320, 1404416, 1755520, 2160640, 2808832, 3511040, 5617664, 7022080, 14044160, 28088320]

約数ペア:

[(1, 28088320), (2, 14044160), (4, 7022080), (5, 5617664), (8, 3511040), (10, 2808832), (13, 2160640), (16, 1755520), (20, 1404416), (26, 1080320), (32, 877760), (40, 702208), (52, 540160), (64, 438880), (65, 432128), (80, 351104), (104, 270080), (128, 219440), (130, 216064), (160, 175552), (208, 135040), (211, 133120), (256, 109720), (260, 108032), (320, 87776), (416, 67520), (422, 66560), (512, 54860), (520, 54016), (640, 43888), (832, 33760), (844, 33280), (1024, 27430), (1040, 27008), (1055, 26624), (1280, 21944), (1664, 16880), (1688, 16640), (2048, 13715), (2080, 13504), (2110, 13312), (2560, 10972), (2743, 10240), (3328, 8440), (3376, 8320), (4160, 6752), (4220, 6656), (5120, 5486)]