21445037120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{40591}}^1$

素因数の和:40748

約数の個数: 112

約数和(自身を含む): 55428538368

約数和(自身を除く): 33983501248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 130, 160, 208, 254, 260, 320, 416, 508, 520, 635, 832, 1016, 1040, 1270, 1651, 2032, 2080, 2540, 3302, 4064, 4160, 5080, 6604, 8128, 8255, 10160, 13208, 16510, 20320, 26416, 33020, 40591, 40640, 52832, 66040, 81182, 105664, 132080, 162364, 202955, 264160, 324728, 405910, 527683, 528320, 649456, 811820, 1055366, 1298912, 1623640, 2110732, 2597824, 2638415, 3247280, 4221464, 5155057, 5276830, 6494560, 8442928, 10310114, 10553660, 12989120, 16885856, 20620228, 21107320, 25775285, 33771712, 41240456, 42214640, 51550570, 67015741, 82480912, 84429280, 103101140, 134031482, 164961824, 168858560, 206202280, 268062964, 329923648, 335078705, 412404560, 536125928, 670157410, 824809120, 1072251856, 1340314820, 1649618240, 2144503712, 2680629640, 4289007424, 5361259280, 10722518560, 21445037120]

約数ペア:

[(1, 21445037120), (2, 10722518560), (4, 5361259280), (5, 4289007424), (8, 2680629640), (10, 2144503712), (13, 1649618240), (16, 1340314820), (20, 1072251856), (26, 824809120), (32, 670157410), (40, 536125928), (52, 412404560), (64, 335078705), (65, 329923648), (80, 268062964), (104, 206202280), (127, 168858560), (130, 164961824), (160, 134031482), (208, 103101140), (254, 84429280), (260, 82480912), (320, 67015741), (416, 51550570), (508, 42214640), (520, 41240456), (635, 33771712), (832, 25775285), (1016, 21107320), (1040, 20620228), (1270, 16885856), (1651, 12989120), (2032, 10553660), (2080, 10310114), (2540, 8442928), (3302, 6494560), (4064, 5276830), (4160, 5155057), (5080, 4221464), (6604, 3247280), (8128, 2638415), (8255, 2597824), (10160, 2110732), (13208, 1623640), (16510, 1298912), (20320, 1055366), (26416, 811820), (33020, 649456), (40591, 528320), (40640, 527683), (52832, 405910), (66040, 324728), (81182, 264160), (105664, 202955), (132080, 162364)]