2021618560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18691}}^1$

素因数の和:18736

約数の個数: 96

約数和(自身を含む): 5233573080

約数和(自身を除く): 3211954520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 260, 320, 338, 416, 520, 640, 676, 832, 845, 1040, 1352, 1664, 1690, 2080, 2704, 3380, 4160, 5408, 6760, 8320, 10816, 13520, 18691, 21632, 27040, 37382, 54080, 74764, 93455, 108160, 149528, 186910, 242983, 299056, 373820, 485966, 598112, 747640, 971932, 1196224, 1214915, 1495280, 1943864, 2392448, 2429830, 2990560, 3158779, 3887728, 4859660, 5981120, 6317558, 7775456, 9719320, 11962240, 12635116, 15550912, 15793895, 19438640, 25270232, 31101824, 31587790, 38877280, 50540464, 63175580, 77754560, 101080928, 126351160, 155509120, 202161856, 252702320, 404323712, 505404640, 1010809280, 2021618560]

約数ペア:

[(1, 2021618560), (2, 1010809280), (4, 505404640), (5, 404323712), (8, 252702320), (10, 202161856), (13, 155509120), (16, 126351160), (20, 101080928), (26, 77754560), (32, 63175580), (40, 50540464), (52, 38877280), (64, 31587790), (65, 31101824), (80, 25270232), (104, 19438640), (128, 15793895), (130, 15550912), (160, 12635116), (169, 11962240), (208, 9719320), (260, 7775456), (320, 6317558), (338, 5981120), (416, 4859660), (520, 3887728), (640, 3158779), (676, 2990560), (832, 2429830), (845, 2392448), (1040, 1943864), (1352, 1495280), (1664, 1214915), (1690, 1196224), (2080, 971932), (2704, 747640), (3380, 598112), (4160, 485966), (5408, 373820), (6760, 299056), (8320, 242983), (10816, 186910), (13520, 149528), (18691, 108160), (21632, 93455), (27040, 74764), (37382, 54080)]